Quality Assurance
We will do strict Quality Control to ensure we offer the best quality of our products.
Eversharp is the leading scissors manufacturer in Taiwan and is recognized as a global leader in quality and value. We conduct a strict quality control process including lifetime cycle cutting testing, hardness assurance, and 3D measurement testing.
Eversharp has met and exceeded internal and external audits of quality and manufacturing. We have received external and internal ISO 9001 certification UL audits.
We also strive to meet our clients’ customized requirements, which includes quality system controls, manufacturing processes, and social compliance audits.
| Test Items | Device Name | Test | The Main Function | Standard Test Conditions | Operating Range |
|---|---|---|---|---|---|
| Hardness | Rockwell hardness machine (AR-10) | Voluntarily | Metal hardness testing | 420J2: HRC 52 ± 2 ° | 1. Measuring force: 60kgf / 100kgf / 150kgf |
| 1. 4034: HRC 57 ± 1 ° | 2. Minimum test thicknes 1mm, the maximum thickness of 115mm test | ||||
| AUS8: HRC 58 ± 1 ° (cryogenic) | 3. Minimum reading: 0.5HR | ||||
| 440C: HRC 60 ± 1 ° (cryogenic) | 4. Measurement Unit: HRA, HRB, HRC | ||||
| Metallurgical structure | Abrasive cutting machines | Voluntarily | Cutting inserts buried analyte into slices | NA | For metal, plastic material cutting |
| Buried inlay machine | Voluntarily | The analyte slices skids for solidification inserts buried into the cylinder | NA | Operating time of about 15 minutes | |
| Buried inlay polishing machine | Voluntarily | The inlay buried polished cut surface of the slice made for metallurgical test | NA | NA | |
| Micro Hardness Tester (FMAR-1) | Voluntarily | 1. Detection of the material surface hardness | 420J2: HRC 52 ± 2 ° | 1. Measurement Unit: HV (convertible HRC) | |
| 2. Observe the cut surface microstructure buried inlay | 1. 4034: HRC 57 ± 1 ° | 2. Metallographic observation magnification: 100X, 400X, 1000X | |||
| 3. The size of the crystalline metallic materials, organizational structure metallographic observation | AUS8: HRC 58 ± 1 ° (cryogenic) | 3. The minimum unit of measure: 0.5HV | |||
| 440C: HRC 60 ± 1 ° (cryogenic) | |||||
| Roughness | Surface roughness tester measure (T1000) | Voluntarily | Surface roughness measurement | Plane grinding: Ra 0.3 ~ 0.6um | 1. The smallest unit: 0.01um |
| Intrados grind: Ra 0.5 ~ 0.6um | 2. Measuring stroke: 16 / 20mm | ||||
| Bevel grinding: Ra 1.0 ~ 1.2um dragging water sand: Ra 0.5 ~ 0.6um | 3. Measurement accuracy: 0.01um | ||||
| 4. Operation range: ± 100um | |||||
| Push, pull | Electronic thrust meter (HF100) | Voluntarily | Push, pull force measurement | Empty paper models cut a level 4 level 8 level Paper Scissors Paper forging <45g <60g <100g <190g | 1. Determination of the unit: N, Kgf (gf) |
| Die Casting <50g <65g <130g <250g | 2. Test Accuracy: ± 0.2% FS | ||||
| A die-cut <60g <75g <160g <270g | 3. Reproduction accuracy: ± 0.1% FS | ||||
| Two die-cut <70g <90g <190g <300g | The response rate: 10 ~ 320 Hz, 6-segment | ||||
| Three scissors | 5. Maximum load: 100N / 10Kgf / 22.04lbf | ||||
| 6. Minimum reading: 0.01N / 0.001Kgf / 0.01lbf | |||||
| Test items | Device Name | Test | The Main Function | Standard Test Conditions | Operating Range |
| Size | 2.5D image measuring instrument | Purchase the middle | 1. Object dimensions (length, width, arc, center distance, depth ..) measurement, to ensure that products meet specifications Dimensions | Drawing on the basis of dimensional tolerances | 1. Measuring stroke: 300mm x 200mm x 150mm |
| 2. Surface imaging test | 3. Repeat accuracy: 0.003mm | ||||
| The smallest unit of measure: 1um | |||||
| 2. Image Magnification: 28X ~ 180X | |||||
| Height measuring instrument | Voluntarily | Object height, thickness measurement | Drawing on the basis of dimensional tolerances | 1. Measuring range: 0 ~ 300mm | |
| 2. Minimum Measurement Unit: 0.01mm | |||||
| Cut life | Life Testing Machine | Voluntarily | 1. Test scissors cut | Forged scissors> 200,000 times a scissors> | 1. Test Range: 0 ~ 10kg |
| 2. scissors cut the number of (life) test | 180,000 times two scissors> | 2. The smallest unit of measurement: 1g | |||
| 150,000 three scissors> 100,000 | 3. Measurement Accuracy: 2g | ||||
| Test hundred cells | 100 grid knives + 3M (# 600) Tape | Voluntarily | Coated surface adhesion test degree | Use a knife hundred cells per cell, then use the 3M # 600 adhesive tear tape, 0 no loss, a loss must be less than 5%, 2 5% to 15% off, 3 from 15 to 35% off. | |
| Heavy metals testing | Inductively coupled plasma atomic emission spectroscopy analyzer | Outsourcing | Test raw ingredients of cadmium, lead, mercury, total chromium ... four major heavy metal content, in order to ensure compliance with RoHS requirements | Cadmium Cd <100ppm, lead Pb <1000ppm, Mercury Hg <1000ppm, hexavalent Cr 6+ <1000ppm | NA |
| Test Items | Device Name | Test | The Main Function | Standard Test Conditions | Operating Range |
| Salt spray test | Salt spray machine | Outsourcing | Verify that the product at high temperature, high humidity, after 72 hours, its quality specifications are met | 5% saline solution in the pH range 6.5 to 7.2, is atomized into mist, a heating cabinet maintained at 35°C --24 ~ 48Hr | Temperature at room temperature ~ 50°C |
| The impact of thermal cycles | Hot and cold impact test machine cycle | Outsourcing | Verify that the product in a very short period of time, from extreme cold to extreme heat, extreme cold lower and lower, after several cycles, the product meets the specifications | 70 degrees 2Hr / -20 degrees 2Hr / 30 cycles / conversion time of 5min 80 degrees 2Hr / -30 degrees 2Hr / 30 cycles / conversion time of 5min | Temperature -60°C ~ 150°C; humidity 10% to 98% |
| High temperature and humidity test | Constant temperature and humidity | Outsourcing | Test products in certain of the environment (temperature and humidity), the next change in the characteristics of the product, and still meet the specifications | Temperature +70 degrees / humidity 90% / 240Hr | Temperature -60°C ~ 150°C humidity 10% to 98% |
| Packaging vibration testing | Vibration testing machine | Outsourcing | Effects of simulated vibration during transportation of the product | Random Mode 5 ~ 55 ~ 5 Hz / 3 axis (x, yz) /0.5G each 30min / displacement 5mm / 10 cycles | Frequency 5 ~ 100Hz, the gravitational acceleration 0.5 ~ 14G, the displacement amount 0.5 ~ 100mm, load 0 ~ 200kg |
| Packaging drop test | Drop test machine | Outsourcing | Impact on product handling process simulation drop | A six-sided prism angle 3 free fall, the 1st, weight <= 9.1kg height 91cm, 9.1 <m <= 18.2kg height 76cm | Height 150cm ~ 5cm |
Keyence 3D Projector to measure products.
2.5D Projection to measure products.