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Table of Contents
1.2 Product Content
1.3 Package Content
1.4 Package Age Grade
1.5 Package Barcode
1.6 Packaging Size
1.7 Standard Pack Per Shipper Carton
1.8 Shipper Carton Size
1.9 Information
2.2 Retail Packaging Legal Markings/Warning statements/ Safeguards
2.3 Basic Functional Performance
4.2 Transportation Test
4.3 Safety Abuse Test
4.4 Reliability Abuse Test
5.2 QC Inspection Criteria
1) Product & packaging Information
1.1)Product Description:
1.2)Product Content:
1.3)Package Content:
1.4)Package Age Grade:
1.5)Package Barcode:
1.6)Packaging Size in (inch):
1.7)Standard Pack Per Shipper Carton:
1.8)Shipper Carton Size in (inch):
Description Asst. # Outer Carton Size Inner Carton Size
1.9)Information:
Input voltage :120VAC
Current :
Wattage :1000W
Frequency :60Hz
Tolerance :TBD
Manufacturer’s name :TP
Trade name :
Trademark :
Approval mark :TUV Reinland/cTUVus
2) Legal & Performance specifications
2.1) Legal Requirements:
U.S.A.
Federal Regulations:
Canada
2.2) Retail Packaging Legal Markings/Warning statements/ Safeguards:
• This appliance has a polarized plug (one blade is wider than the other). To reduce the risk of electric shock, this plug is intended to fit in a polarized outlet only one way. If the plug does not fit fully in the outlet, reverse the plug. If it still does not fit, contact a qualified electrician. Do not modify the plug in any way.
• The shorter power cord will help reduce the risk of entanglement or tripping over a longer cord.
• Extension cords are available and may be used if care is exercised in their use.
• If an extension cord is used:
a)The marked electrical rating of the detachable power-supply cord or extension cord should be at least as great as the electrical rating of the appliance,
b)If the appliance is of the grounded type, the extension cord should be a grounding-type 3- wire cord, and
c)The longer cord should be arranged so that it will not drape over the countertop or tabletop where it can be tripped over, snagged, or pulled on unintentionally (especially by children).
• This product is not intended for use by children and persons with limited physical or mental capabilities unless they have been instructed or supervised on the proper use of this product by a person responsible for their safety.
• HOT SURFACES. AVOID CONTACT.
• Steam escaping from the vents can cause burns
• Take care when opening as the handles will be hot
• Do not attempt to open the unit when in use
• If you do ever need to stop the sterilizer mid-cyle, switch off (contents will not be sterile)
• Please make sure your sterilizer is placed on a firm and even surface when in use
• Please ensure that the power cord and unit are out of reach of children
• Always unplug from the wall when not in use
• Never place items on top of the sterilizer
• Never immerse the sterilizer in water
• Not for space heating purposes
• Use CAUTION when removing the lid as hot steam will escape
• BEFORE CLEANING ENSURE YOU HAVE DISCONNECTED YOUR STERILIZER FROM THE ELECTRICAL OUTLET. WAIT AT LEAST 30 MINUTES FOR THE UNIT TO COOL COMPLETELY.
• Take care when opening the lid as the handle will be hot and hot steam will escape. Beware of hot steam escaping from the steam vent during use.
2.3) Basic Functional Performance:
2.2.1) Remove all items from the sterilizer.
2.2.2) Fill the Measuring Cup (A) up to the water level mark (120 ml/4oz) with fresh cold water and pour into the base of the sterilizer making sure the water is concentrated over the Heating Plate in the center of the unit (B). Splashing too much water up the sides will affect performance.
2.2.3) Assemble the 3 pieces that make up the Bottle Holder. The Central Rod fits into Accessory Tray 1 and twists to lock into position (C). Accessory Tray 2 then slides down over the Central Rod (D).
2.2.4) Place the Bottle Holder in the unit, clip the Bottle Tongs onto the top of the Central Rod, replace the Dome Lid (E) and lock closed using the Side Handles (F).
2.2.5) Plug the power cord into the wall electrical outlet.
2.2.6) Press the Power/ON button to start the sterilizing cycle. The unit will automatically switch off after cycle is complete -approximately 6 minutes.
2.2.7) Always allow your sterilizer to cool down for at least 10 minutes between cycles. As a safety mechanism the unit will not allow you to switch it on again until it is ready for use.
2.2.8) When your sterilizer has cooled, turn off the unit and unplug from the wall electrical outlet.
2.2.9) Remove the Bottle Holder, pour away any remaining water (G) and wipe the inside of the sterilizer dry (H).
3)Reliability / Safety requirements
This specification will be applicable and suitable for all customers and countries. Unless specified, product must be tested and complied with international standards and regulations from accredited laboratories before shipment.
Test report is valid upon the relative standard expired.
Re-test is depend on Munchkin /test lab.
All standards are subject to be revised from time to time in order to reflect the latest requirement and met any new regulations of the countries to which this product is shipped.
Reliability/ Safety Testing Schedule in Development Stage
EP Engineering Pilot
FEP Final Engineering Pilot
PP Pre-Production
PA Production Assurance
Test Sample Size--TBD
Transportation 2 ctns ( 1 ctn before Aging, 1 ctn after Aging)
Aging 1 ctn
Humidity 3 pcs per SKU
Aesthetic 12 pcs per SKU
Safety Visual 6 pcs per SKU
Function 12 pcs for single assortment or 3 pcs per SKU for non-single assortment
Life 3 pcs per SKU
Reliability Drop 4 pcs per SKU (2 pcs before aging, 2 pcs after aging)
Safety Drop 4 pcs per SKU (2 pcs before aging, 2 pcs after aging)
Reliability Abuse 4 pcs per SKU (2 pcs before aging, 2 pcs after aging)
Safety Abuse 4 pcs per SKU (2 pcs before aging, 2 pcs after aging)
4)Test Methods:
4.1)Environmental Test:
4.1.1) Pre-conditioning Test:
Place the sample in cold chamber at 0°F ± 5°F for 4 hours, and then allow the sample equilibrate to room temperature of 73°F ± 3°F at a relative humidity of 70% for 4 hours. Samples are then transferred to a temperature of 135°F ± 5°F for 4 hours. Repeat the above step one more time.
4.1.2)Aging Test:
Place samples in an environment chamber of 57 ±5°C (135 ±5°F)for 48 hours. Remove the samples from chamber, dry out excess moisture, and stabilize at room temperature before evaluation.
4.1.3) Humidity Test:
Place sample in an environment chamber of between of (32 ±2°C (89.6 ±3.6°F) and 88±2 % relative humidity for 48 hours. Remove the samples from chamber, dry out excess moisture, and stabilize at room temperature before evaluation.
Expected result: A product shall have an insulation resistance of not less than 50,000 ohms between live parts and outside metal parts(e.g. heater).
4.1.4)Immersed test on water container:
Fill tape water(hard water)(e.g. 1 litre) into the heat plate for 24 hour, then check the leakage of water.
Expected result:
• Inspect for aesthetic and functional performance after the test
• The heat chamber does not develop cracks as a result of aging. And it is resistant to corrosion from the liquid intended for use in it.
4.2)Transportation Test :
4.2.1)Transit test
Place master carton on the vibration tester to test according to ISTA following condition.
Frequency: 220 ± 10 rpm
Attitude: 1 inch
Amplitude: 14200 vibratory impacts
4.2.2)Carton Drop Test
Drop the master carton for TBD times, attitudes are: one bottom corner, three radiating edges and six faces of 30 inches height.
4.2.3)Bursting Strength Test Of Shipper Carton
Select to cut the sample from front and side panel on shipper carton. Test with bursting strength machine in two directions which directions is outside in and inside out.
Failure is defined as the reading below 250 lbs per square inch in any panel or any direction
4.2.4)Tape Sealing
Tape sealing should be adhered to the carton firmly and with at least 5 cm flap to side panels.
4.3)Safety Abuse Test
4.3.1)Strain relief test:
The strain-relief means shall be capable of withstanding for 1 minute, without displacement, a pull of 35 lbf (156 N).
4.3.2)Push-Back Relief Test:
The cord or lead is to be pushed back into the product in 1 inch (25.4mm) increments until the cord buckles or the force to push the cord or lead into the product exceeds 6 pounds-force (26.7 N).
4.3.3)Resistance to Impact Tests: x 3 times
A metal enclosure shall be imparted by dropping or swinging a 2-inch (50.8 mm) in diameter steel sphere, weighing approximately 1.18 lb (0.535 kg) from a height that will produce an impact of 0.75 ft-lbf (1.02J). The steel sphere shall strike the surface in a location different from those in the other two impacts, with the specified impact as restrained as illustration no.1.
A ball drop impact test / a ball pendulum impact test: H=~20cm
Expected result:
• No evidence of cracking, electrical breakdown after the impact test.
• No damage of the enclosure so as to adversely affect the function of any safety or constructional feature, such as thermostats, overload protective devices or strain relief.
• No dislodging of the appliance or separable parts of the appliance.
• Without sustaining other damage that could cause leaking of the liquid it is intended to contain.
• The appliance comply with the requirements in Dielectric Voltage-Withstand Test, after being subjected to the impact.
NOTES –
1) H in illustration no.1 indicates the vertical distance the sphere must travel to produce the desired impact.
2) For the ball-pendulum impact test the sphere is to contact the test sample when the string is in the vertical position as shown.
3) The backing surface is to consist of 3/4 inch (19 mm) plywood over a rigid surface of concrete. An equivalent nonresilient backing surface may be used.
4.3.4)Stability Test:
The stability of an appliance shall be such that it will not be overturned readily in intended use.
Under liquid is heated to a temperature greater than 115°F (46°C), the appliance shall be placed on a plane inclined at an angle of 15 degrees to the horizontal. The appliance shall be positioned and loaded with whatever combination of separable components, liquid, or other media (material) that results in the maximum tendency to overturn under conditions of intended use. The appliance shall contain a minimum of 5 ounces (148 mL) of liquid. The appliance shall be prevented from sliding on the inclined surface. The appliance shall not overturn as a result of this test.
4.3.5)Dielectric Voltage-Withstand Test :
An appliance shall be capable of withstanding for 1 minute without an indication of unacceptable performance, the application of a potential applied between live parts and accessible metal parts. The appliance is to be at its maximum normal operating temperature. The test potential (rms) shall be1240V.
4.3.6)Leakage Current Test
The leakage current of a cord-connected appliance rated for a nominal 120VAC supply when tested shall not be more than:
a) 0.5 mA for an ungrounded (2-wire) appliance,
b) 0.5 mA for a grounded (3-wire) appliance that is easily carried or conveyed by hand, and
c) 0.75 mA for a grounded (3-wire) permanently connected appliance, or a cord connected appliance that is intended to be fastened in place or located in a dedicated space and employing a standard attachment plug rated 20 A or less.
4.4)Reliability Abuse Test
4.4.1) Compression Test:
• Push force to the measuring cup by fingertips/tools with min 17 lbf in10 sec.(G1)
• Push force to the “side handle ”( parallel) by fingertips/tools with min 10 lbf in10 sec.(G2)
• Push force to the “side handle ” (vertical) by fingertips/tools with ~ 2 lbf.(G3)
• Push force to the “bottle tong” by fingertips/tools with max 5 lbf in10 sec.(G4)
4.4.2)Torque test:
• Twist the “side handle” with CW/ACW in 6kg-cm/6kg-cm force.(G5)
• Twist and lock the central rod into accessory tray with CW/ACW in 11kg-cm/20kg-cm
4.4.3)Pull test:
The “side handle” shall withstand 30 lbs pull force without separating.
4.4.4) Durability of Switches:
Switches of the unit shall continue to function correctly after TBD (e.g. 200) cycles of operations.
4.4.5)Drop Test for one sample with one times:
The product is to be dropped (30 inches) so as to strike the floor in the positions most likely to produce adverse results.
Remark:
Floor( hardwood surface) is to consist of a layer of nominal 1 inch (25 mm) thick tongue-and-grove oak flooring mounted on two layers of 3/4 inch (19 mm) thick plywood. The hard-wood surface assembly is to rest on a concrete floor or the equivalent during the test.
Expect result:
no small part, sharp edge, sharp point, loose of joint.
4.4.6) Abnormal Operation Test:
The product is to be operated dry and with all automatic temperature controls or protective devices (Thermostat) shunted out of the circuit, excepted the control has been shown to be rugged, reliable, and unlikely to be defeated by the user.
Expect result:
The Thermal fuse must be broke down within 10 mins and the product shall not involve the risk of fire or electric shock when operated continuously under such abnormal conditions.
4.4.7)Life Test (under normal environment):
• Continuous Play ? cycles. (e.g.3,000 cycles for life test, test method should be at least 6 minutes ON and 54 minutes OFF, which each period of cycle is approximately one hour.)
Expect result:
Inspect for aesthetic and functional performance after the test.
Additional test:
A1) Endurance test for thermostats:
A thermostat shall be capable of withstanding an endurance test. There shall be neither electrical nor mechanical malfunction of the thermostat, nor undue burning, pitting, or welding of the contacts.
Requirement: 1000 cycles under load and 5000 cycles without load.
Expect result: No risk of fire or electric shock.
A2) Rubber on base:
5)Pre-Shipment Inspection Criteria
5.1)Sampling Plan & Classification of Defects
• Take a square root of total number of master carton
• Draw the sample size from the number of master carton after take square root
Sampling Plan
AQL (Acceptable Quality Level) ANSI/ASQ Z1.4-2008
Inspection Attitude Plan Level Safety/Critical Major Minor
First Inspection Single Normal II 0 0.65 4.0
Re-Inspection Single Tightened II 0 0.65 4.0
Classification of Defects:
Safety Defect
Any finding that creates Safety Hazards and will be rejected by custom, safety agency or government.
Critical Defect
Any finding that probability of a customer / dealer return, significant customer dissatisfaction, and no additional purchase.
Major Defect
Any finding that description discrepancy that are false to materials degree, or that mislead or misinform a potential consumer.
Minor Defect
Any finding that violates build quality.
5.2)QC Inspection Criteria
For on-line inspection(optional):
Drop test single unit (no packaging), Height= 3 feet (91cm) with one pcs
Safety drop test requirement in case of final inspection:
Carton drop on all inspect samples must be performed before inspection. Attitudes are six faces from 30 inches(76cm) in height.
Testing preformed in every inspection of safety drop/torque and tension test:
Selected 10 samples from sample size if 2 or more samples fail after the test, inspection result is rejected. If 1 sample fails in the first 10 samples, select another 10 samples from sample size, if 1 or more sample fails in the 10 samples, the inspection result is also rejected.
5.2.1)Master Carton(TBD)
Packing method and marking should follow description per shipping instruction and Engineering Dept.’s carton specification and dimension.
Missing or wrong stock no, or country of origin Critical
Scan error of barcode Critical
Incorrect carton dimensional data Critical
No staples in shipping carton allowed Critical
Missing, illegible or wrong date code Major
Illegible graphic on master carton marking Major
Incorrect packing method ( per shipping instruction) Major
Master carton marking covered by non-transparent sealing tape Major
Master carton damaged or unsealed Major
Wrong assortment ratio Major
Manufacturing seam open more than 10% of total length Major
5.2.2)Individual Package(TBD)
Packaging method and package should match engineering approved sample.
Thickness of plastic sheet or bags less than 0.05 mm Safety
Dead or alive insect attached/inside the package Safety
Cutting tool or knife inside package Safety
Human or animal hair attached or inside the package Safety
Any plastic bag with open side circumference greater than 35 cm and depth greater than 13 cm must have suffocation warning. Safety
All packaging materials must be free of hazardous sharp point and edges Safety
Missing Safety warning statement on packaging or instruction sheet Critical
Missing or wrong stock no. or country of origin Critical
Packed with incorrect package version Critical
Package soiled or damaged
• Area exceeds 0.125 sq. in area or 0.25 in length
• Area exceeds 0.0625 sq. in area or 0.125 in length
Major
Minor
Package unsealed from manufacturing seam
• Length exceeds 1 inch
• Length exceeds 0.5 inch
Major
Minor
Wrong packing method or material (per approved sample) Major
Missing instruction sheet Major
Missing production date code on retail box Major
No staples in the Retail box allowed Major
5.2.3)Individual Product(TBD)
Product should match engineering approved sample.
Colour mismatch compared with signed sample Per Severity
Solid, smeared, scratch, sporty or incorrect finish Per Severity
Moulding defects: flash, burn mark, contamination, gates, short shot, thin area, sink mark, etc.. Per Severity
Parts loosed of dislocated or partly detached Per Severity
Label peel off, wrinkle, dislocated Per Severity
Coating / paint under-sprayed or over-sprayed Per Severity
Metal forming defects: burrs, rust, excessive process oil, etc. Per Severity
Any accessible sharp point or sharp edge Safety
Missing parts or components Major
Parts damaged or broken Major
Gap for mating parts of portable or other with outstanding area
• Gap exceeds 0.025 inch
• Gap exceeds 0.013 inch
Major
Minor
Mismatch at parting lines or where part halves join
• Mismatch exceeds 0.025 inch
• Mismatch exceeds 0.013 inch
Major
Minor
Any functional failure per 2.3 functional performance and instruction sheet Major
Sound level less than range dB(A) as per 2.3 functional performance in each individual figure measuring 25 cm away from sound source Major
Sound level exceeds 90 dB(A) measuring 25 cm away from sound source Safety
6)Tractability
All products must be fully traceable back to their constituents. A system of lot or batch coding must be utilized to all effective, rapid Product Recall to made if required. The code should be clearly visible:
Master Carton, Packaging and Product
Manufacture Code and Date Code
A nine digits numerical code MCK TP- DDDY (Example XX 0027)
XX = Vendor identity
DDD = Date of manufactory = 002(Jan 02)
Y = Year Code = 7 (2007)
Packaging and Sewn-in label
Production date code should be apparent on the retail packaging and sewn-in label.
Table of Contents
- Product and Packaging information
1.2 Product Content
1.3 Package Content
1.4 Package Age Grade
1.5 Package Barcode
1.6 Packaging Size
1.7 Standard Pack Per Shipper Carton
1.8 Shipper Carton Size
1.9 Information
- Legal & Performance specification
2.2 Retail Packaging Legal Markings/Warning statements/ Safeguards
2.3 Basic Functional Performance
- Reliability / Safety requirements
- Test Methods
4.2 Transportation Test
4.3 Safety Abuse Test
4.4 Reliability Abuse Test
- Pre-Shipment Inspection Criteria
5.2 QC Inspection Criteria
- Traceability
- Test Setup For Evaluation
- Check List
1) Product & packaging Information
1.1)Product Description:
1.2)Product Content:
1.3)Package Content:
1.4)Package Age Grade:
1.5)Package Barcode:
1.6)Packaging Size in (inch):
1.7)Standard Pack Per Shipper Carton:
1.8)Shipper Carton Size in (inch):
Description Asst. # Outer Carton Size Inner Carton Size
1.9)Information:
Input voltage :120VAC
Current :
Wattage :1000W
Frequency :60Hz
Tolerance :TBD
Manufacturer’s name :TP
Trade name :
Trademark :
Approval mark :TUV Reinland/cTUVus
2) Legal & Performance specifications
2.1) Legal Requirements:
U.S.A.
Federal Regulations:
- Consumer Product Safety Act (CPSA) Regulations
- Country of Origin Labeling Regulations
- Fair Packaging and Labeling Act Regulations
- Federal Hazardous Substances Act (FHSA) Regulations
- Food, Drug and Cosmetic Act (FDCA) Regulations
- Labeling of Hazardous Act Materials Act (LHAMA) Regulations
- Poison Prevention Packaging Act Regulations
- Toxic Substances Control Act Regulations State Regulations
- California Proposition 65
- California Tableware Safety Program
- Mercury in Consumer Products
- Texas Hazardous Substances Act
- Toxic in Packaging (Model Toxic in Packaging Legislation)
- ASTM F963 Standard Consumer Safety Specification on Toy Safety
- Juvenile Products: Applicable ASTM Standards
- The Federal Communication Commission (FCC)
- Federal Motor Vehicle Safety Standard (FMVSS)
- American National Standards Institute (ANSI)
- UL 499 test standard
Canada
- Canadian Hazardous Products (Toys) Regulations
- Upholstered and Stuffed Articles (USA) program administers the Technical Standards and Safety Act
- CSA C22.2 No.64 test standard
2.2) Retail Packaging Legal Markings/Warning statements/ Safeguards:
- Munchkin copy right.
- Caution:
• This appliance has a polarized plug (one blade is wider than the other). To reduce the risk of electric shock, this plug is intended to fit in a polarized outlet only one way. If the plug does not fit fully in the outlet, reverse the plug. If it still does not fit, contact a qualified electrician. Do not modify the plug in any way.
• The shorter power cord will help reduce the risk of entanglement or tripping over a longer cord.
• Extension cords are available and may be used if care is exercised in their use.
• If an extension cord is used:
a)The marked electrical rating of the detachable power-supply cord or extension cord should be at least as great as the electrical rating of the appliance,
b)If the appliance is of the grounded type, the extension cord should be a grounding-type 3- wire cord, and
c)The longer cord should be arranged so that it will not drape over the countertop or tabletop where it can be tripped over, snagged, or pulled on unintentionally (especially by children).
• This product is not intended for use by children and persons with limited physical or mental capabilities unless they have been instructed or supervised on the proper use of this product by a person responsible for their safety.
• HOT SURFACES. AVOID CONTACT.
- Warning:
• Steam escaping from the vents can cause burns
• Take care when opening as the handles will be hot
• Do not attempt to open the unit when in use
• If you do ever need to stop the sterilizer mid-cyle, switch off (contents will not be sterile)
• Please make sure your sterilizer is placed on a firm and even surface when in use
• Please ensure that the power cord and unit are out of reach of children
• Always unplug from the wall when not in use
• Never place items on top of the sterilizer
• Never immerse the sterilizer in water
• Not for space heating purposes
• Use CAUTION when removing the lid as hot steam will escape
• BEFORE CLEANING ENSURE YOU HAVE DISCONNECTED YOUR STERILIZER FROM THE ELECTRICAL OUTLET. WAIT AT LEAST 30 MINUTES FOR THE UNIT TO COOL COMPLETELY.
• Take care when opening the lid as the handle will be hot and hot steam will escape. Beware of hot steam escaping from the steam vent during use.
2.3) Basic Functional Performance:
2.2.1) Remove all items from the sterilizer.
2.2.2) Fill the Measuring Cup (A) up to the water level mark (120 ml/4oz) with fresh cold water and pour into the base of the sterilizer making sure the water is concentrated over the Heating Plate in the center of the unit (B). Splashing too much water up the sides will affect performance.
2.2.3) Assemble the 3 pieces that make up the Bottle Holder. The Central Rod fits into Accessory Tray 1 and twists to lock into position (C). Accessory Tray 2 then slides down over the Central Rod (D).
2.2.4) Place the Bottle Holder in the unit, clip the Bottle Tongs onto the top of the Central Rod, replace the Dome Lid (E) and lock closed using the Side Handles (F).
2.2.5) Plug the power cord into the wall electrical outlet.
2.2.6) Press the Power/ON button to start the sterilizing cycle. The unit will automatically switch off after cycle is complete -approximately 6 minutes.
2.2.7) Always allow your sterilizer to cool down for at least 10 minutes between cycles. As a safety mechanism the unit will not allow you to switch it on again until it is ready for use.
2.2.8) When your sterilizer has cooled, turn off the unit and unplug from the wall electrical outlet.
2.2.9) Remove the Bottle Holder, pour away any remaining water (G) and wipe the inside of the sterilizer dry (H).
3)Reliability / Safety requirements
This specification will be applicable and suitable for all customers and countries. Unless specified, product must be tested and complied with international standards and regulations from accredited laboratories before shipment.
Test report is valid upon the relative standard expired.
Re-test is depend on Munchkin /test lab.
All standards are subject to be revised from time to time in order to reflect the latest requirement and met any new regulations of the countries to which this product is shipped.
Reliability/ Safety Testing Schedule in Development Stage
EP Engineering Pilot
FEP Final Engineering Pilot
PP Pre-Production
PA Production Assurance
- All test must be comply with the tests stated on below “Test Methods” in each stages.
Test Sample Size--TBD
Transportation 2 ctns ( 1 ctn before Aging, 1 ctn after Aging)
Aging 1 ctn
Humidity 3 pcs per SKU
Aesthetic 12 pcs per SKU
Safety Visual 6 pcs per SKU
Function 12 pcs for single assortment or 3 pcs per SKU for non-single assortment
Life 3 pcs per SKU
Reliability Drop 4 pcs per SKU (2 pcs before aging, 2 pcs after aging)
Safety Drop 4 pcs per SKU (2 pcs before aging, 2 pcs after aging)
Reliability Abuse 4 pcs per SKU (2 pcs before aging, 2 pcs after aging)
Safety Abuse 4 pcs per SKU (2 pcs before aging, 2 pcs after aging)
4)Test Methods:
4.1)Environmental Test:
4.1.1) Pre-conditioning Test:
Place the sample in cold chamber at 0°F ± 5°F for 4 hours, and then allow the sample equilibrate to room temperature of 73°F ± 3°F at a relative humidity of 70% for 4 hours. Samples are then transferred to a temperature of 135°F ± 5°F for 4 hours. Repeat the above step one more time.
4.1.2)Aging Test:
Place samples in an environment chamber of 57 ±5°C (135 ±5°F)for 48 hours. Remove the samples from chamber, dry out excess moisture, and stabilize at room temperature before evaluation.
4.1.3) Humidity Test:
Place sample in an environment chamber of between of (32 ±2°C (89.6 ±3.6°F) and 88±2 % relative humidity for 48 hours. Remove the samples from chamber, dry out excess moisture, and stabilize at room temperature before evaluation.
Expected result: A product shall have an insulation resistance of not less than 50,000 ohms between live parts and outside metal parts(e.g. heater).
4.1.4)Immersed test on water container:
Fill tape water(hard water)(e.g. 1 litre) into the heat plate for 24 hour, then check the leakage of water.
Expected result:
• Inspect for aesthetic and functional performance after the test
• The heat chamber does not develop cracks as a result of aging. And it is resistant to corrosion from the liquid intended for use in it.
4.2)Transportation Test :
4.2.1)Transit test
Place master carton on the vibration tester to test according to ISTA following condition.
Frequency: 220 ± 10 rpm
Attitude: 1 inch
Amplitude: 14200 vibratory impacts
4.2.2)Carton Drop Test
Drop the master carton for TBD times, attitudes are: one bottom corner, three radiating edges and six faces of 30 inches height.
4.2.3)Bursting Strength Test Of Shipper Carton
Select to cut the sample from front and side panel on shipper carton. Test with bursting strength machine in two directions which directions is outside in and inside out.
Failure is defined as the reading below 250 lbs per square inch in any panel or any direction
4.2.4)Tape Sealing
Tape sealing should be adhered to the carton firmly and with at least 5 cm flap to side panels.
4.3)Safety Abuse Test
4.3.1)Strain relief test:
The strain-relief means shall be capable of withstanding for 1 minute, without displacement, a pull of 35 lbf (156 N).
4.3.2)Push-Back Relief Test:
The cord or lead is to be pushed back into the product in 1 inch (25.4mm) increments until the cord buckles or the force to push the cord or lead into the product exceeds 6 pounds-force (26.7 N).
4.3.3)Resistance to Impact Tests: x 3 times
A metal enclosure shall be imparted by dropping or swinging a 2-inch (50.8 mm) in diameter steel sphere, weighing approximately 1.18 lb (0.535 kg) from a height that will produce an impact of 0.75 ft-lbf (1.02J). The steel sphere shall strike the surface in a location different from those in the other two impacts, with the specified impact as restrained as illustration no.1.
A ball drop impact test / a ball pendulum impact test: H=~20cm
Expected result:
• No evidence of cracking, electrical breakdown after the impact test.
• No damage of the enclosure so as to adversely affect the function of any safety or constructional feature, such as thermostats, overload protective devices or strain relief.
• No dislodging of the appliance or separable parts of the appliance.
• Without sustaining other damage that could cause leaking of the liquid it is intended to contain.
• The appliance comply with the requirements in Dielectric Voltage-Withstand Test, after being subjected to the impact.
NOTES –
1) H in illustration no.1 indicates the vertical distance the sphere must travel to produce the desired impact.
2) For the ball-pendulum impact test the sphere is to contact the test sample when the string is in the vertical position as shown.
3) The backing surface is to consist of 3/4 inch (19 mm) plywood over a rigid surface of concrete. An equivalent nonresilient backing surface may be used.
4.3.4)Stability Test:
The stability of an appliance shall be such that it will not be overturned readily in intended use.
Under liquid is heated to a temperature greater than 115°F (46°C), the appliance shall be placed on a plane inclined at an angle of 15 degrees to the horizontal. The appliance shall be positioned and loaded with whatever combination of separable components, liquid, or other media (material) that results in the maximum tendency to overturn under conditions of intended use. The appliance shall contain a minimum of 5 ounces (148 mL) of liquid. The appliance shall be prevented from sliding on the inclined surface. The appliance shall not overturn as a result of this test.
4.3.5)Dielectric Voltage-Withstand Test :
An appliance shall be capable of withstanding for 1 minute without an indication of unacceptable performance, the application of a potential applied between live parts and accessible metal parts. The appliance is to be at its maximum normal operating temperature. The test potential (rms) shall be1240V.
4.3.6)Leakage Current Test
The leakage current of a cord-connected appliance rated for a nominal 120VAC supply when tested shall not be more than:
a) 0.5 mA for an ungrounded (2-wire) appliance,
b) 0.5 mA for a grounded (3-wire) appliance that is easily carried or conveyed by hand, and
c) 0.75 mA for a grounded (3-wire) permanently connected appliance, or a cord connected appliance that is intended to be fastened in place or located in a dedicated space and employing a standard attachment plug rated 20 A or less.
4.4)Reliability Abuse Test
4.4.1) Compression Test:
• Push force to the measuring cup by fingertips/tools with min 17 lbf in10 sec.(G1)
• Push force to the “side handle ”( parallel) by fingertips/tools with min 10 lbf in10 sec.(G2)
• Push force to the “side handle ” (vertical) by fingertips/tools with ~ 2 lbf.(G3)
• Push force to the “bottle tong” by fingertips/tools with max 5 lbf in10 sec.(G4)
4.4.2)Torque test:
• Twist the “side handle” with CW/ACW in 6kg-cm/6kg-cm force.(G5)
• Twist and lock the central rod into accessory tray with CW/ACW in 11kg-cm/20kg-cm
4.4.3)Pull test:
The “side handle” shall withstand 30 lbs pull force without separating.
4.4.4) Durability of Switches:
Switches of the unit shall continue to function correctly after TBD (e.g. 200) cycles of operations.
4.4.5)Drop Test for one sample with one times:
The product is to be dropped (30 inches) so as to strike the floor in the positions most likely to produce adverse results.
Remark:
Floor( hardwood surface) is to consist of a layer of nominal 1 inch (25 mm) thick tongue-and-grove oak flooring mounted on two layers of 3/4 inch (19 mm) thick plywood. The hard-wood surface assembly is to rest on a concrete floor or the equivalent during the test.
Expect result:
no small part, sharp edge, sharp point, loose of joint.
4.4.6) Abnormal Operation Test:
The product is to be operated dry and with all automatic temperature controls or protective devices (Thermostat) shunted out of the circuit, excepted the control has been shown to be rugged, reliable, and unlikely to be defeated by the user.
Expect result:
The Thermal fuse must be broke down within 10 mins and the product shall not involve the risk of fire or electric shock when operated continuously under such abnormal conditions.
4.4.7)Life Test (under normal environment):
• Continuous Play ? cycles. (e.g.3,000 cycles for life test, test method should be at least 6 minutes ON and 54 minutes OFF, which each period of cycle is approximately one hour.)
Expect result:
Inspect for aesthetic and functional performance after the test.
Additional test:
A1) Endurance test for thermostats:
A thermostat shall be capable of withstanding an endurance test. There shall be neither electrical nor mechanical malfunction of the thermostat, nor undue burning, pitting, or welding of the contacts.
Requirement: 1000 cycles under load and 5000 cycles without load.
Expect result: No risk of fire or electric shock.
A2) Rubber on base:
5)Pre-Shipment Inspection Criteria
5.1)Sampling Plan & Classification of Defects
• Take a square root of total number of master carton
• Draw the sample size from the number of master carton after take square root
Sampling Plan
AQL (Acceptable Quality Level) ANSI/ASQ Z1.4-2008
Inspection Attitude Plan Level Safety/Critical Major Minor
First Inspection Single Normal II 0 0.65 4.0
Re-Inspection Single Tightened II 0 0.65 4.0
Classification of Defects:
Safety Defect
Any finding that creates Safety Hazards and will be rejected by custom, safety agency or government.
Critical Defect
Any finding that probability of a customer / dealer return, significant customer dissatisfaction, and no additional purchase.
Major Defect
Any finding that description discrepancy that are false to materials degree, or that mislead or misinform a potential consumer.
Minor Defect
Any finding that violates build quality.
5.2)QC Inspection Criteria
For on-line inspection(optional):
Drop test single unit (no packaging), Height= 3 feet (91cm) with one pcs
Safety drop test requirement in case of final inspection:
Carton drop on all inspect samples must be performed before inspection. Attitudes are six faces from 30 inches(76cm) in height.
Testing preformed in every inspection of safety drop/torque and tension test:
Selected 10 samples from sample size if 2 or more samples fail after the test, inspection result is rejected. If 1 sample fails in the first 10 samples, select another 10 samples from sample size, if 1 or more sample fails in the 10 samples, the inspection result is also rejected.
5.2.1)Master Carton(TBD)
Packing method and marking should follow description per shipping instruction and Engineering Dept.’s carton specification and dimension.
Missing or wrong stock no, or country of origin Critical
Scan error of barcode Critical
Incorrect carton dimensional data Critical
No staples in shipping carton allowed Critical
Missing, illegible or wrong date code Major
Illegible graphic on master carton marking Major
Incorrect packing method ( per shipping instruction) Major
Master carton marking covered by non-transparent sealing tape Major
Master carton damaged or unsealed Major
Wrong assortment ratio Major
Manufacturing seam open more than 10% of total length Major
5.2.2)Individual Package(TBD)
Packaging method and package should match engineering approved sample.
Thickness of plastic sheet or bags less than 0.05 mm Safety
Dead or alive insect attached/inside the package Safety
Cutting tool or knife inside package Safety
Human or animal hair attached or inside the package Safety
Any plastic bag with open side circumference greater than 35 cm and depth greater than 13 cm must have suffocation warning. Safety
All packaging materials must be free of hazardous sharp point and edges Safety
Missing Safety warning statement on packaging or instruction sheet Critical
Missing or wrong stock no. or country of origin Critical
Packed with incorrect package version Critical
Package soiled or damaged
• Area exceeds 0.125 sq. in area or 0.25 in length
• Area exceeds 0.0625 sq. in area or 0.125 in length
Major
Minor
Package unsealed from manufacturing seam
• Length exceeds 1 inch
• Length exceeds 0.5 inch
Major
Minor
Wrong packing method or material (per approved sample) Major
Missing instruction sheet Major
Missing production date code on retail box Major
No staples in the Retail box allowed Major
5.2.3)Individual Product(TBD)
Product should match engineering approved sample.
Colour mismatch compared with signed sample Per Severity
Solid, smeared, scratch, sporty or incorrect finish Per Severity
Moulding defects: flash, burn mark, contamination, gates, short shot, thin area, sink mark, etc.. Per Severity
Parts loosed of dislocated or partly detached Per Severity
Label peel off, wrinkle, dislocated Per Severity
Coating / paint under-sprayed or over-sprayed Per Severity
Metal forming defects: burrs, rust, excessive process oil, etc. Per Severity
Any accessible sharp point or sharp edge Safety
Missing parts or components Major
Parts damaged or broken Major
Gap for mating parts of portable or other with outstanding area
• Gap exceeds 0.025 inch
• Gap exceeds 0.013 inch
Major
Minor
Mismatch at parting lines or where part halves join
• Mismatch exceeds 0.025 inch
• Mismatch exceeds 0.013 inch
Major
Minor
Any functional failure per 2.3 functional performance and instruction sheet Major
Sound level less than range dB(A) as per 2.3 functional performance in each individual figure measuring 25 cm away from sound source Major
Sound level exceeds 90 dB(A) measuring 25 cm away from sound source Safety
6)Tractability
All products must be fully traceable back to their constituents. A system of lot or batch coding must be utilized to all effective, rapid Product Recall to made if required. The code should be clearly visible:
Master Carton, Packaging and Product
Manufacture Code and Date Code
A nine digits numerical code MCK TP- DDDY (Example XX 0027)
XX = Vendor identity
DDD = Date of manufactory = 002(Jan 02)
Y = Year Code = 7 (2007)
Packaging and Sewn-in label
Production date code should be apparent on the retail packaging and sewn-in label.
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