YS/T 79-2018 in English
VALIDBrazed cemented carbide inserts for cutting tool
- Issued on:2018-10-22
- Implemented on:2019-04-01
- File Format:PDF
- Delivery:Via email within 5 business days
$398.00
| Standard No: | YS/T 79-2018 |
| Document status: | VALID |
| Title in English: | Brazed cemented carbide inserts for cutting tool |
| Title in Chinese: | 硬质合金焊接刀片 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2018-10-22 |
| Implemented on: | 2019-04-01 |
| Superseding: |
YS/T 79-2006 Brazed cemented carbide inserts for cutting tool
|
| Professional Classification: | YS-Non-ferrous Metal |
| Related Topics: | Carbide Inserts
cy/t 79 ys/t 5211-2018 ys/t5211-2018 standard blade Carbide National standard for carbide CNC blades Scalpel blade hardness International standard welding blade Carbide blade model ys/t 1241 2018 ys/t 5208-2018 |
本标准规定了硬质合金焊接刀片的要求、试验方法、检验规则、标志、包装、运输、贮存及质量证明书和合同（或订货单）内容。
本标准适用于硬质合金切削工具用焊接刀片。
Introduction
Standard Evolution and Core Changes
| Version Comparison Dimensions | YS/T 79-2006 | YS/T 79-2018 |
|---|---|---|
| Product Model | Not Included Thin Model | Newly Added A320JB/ZJB Thin Model |
| Tolerance Requirements | General Tolerance | Tightened Key Dimension Tolerance |
| Inspection System | Brief Description | Newly Added Chapter 4 Test Methods and Chapter 5 Inspection Rules |
Analysis of key parameters
Type A turning inserts have a basic dimension tolerance requirement: when the length is greater than 55mm, the allowable deviation is ±1.00mm; and when the thickness of the Type E2 milling inserts is ≤3mm, special attention should be paid to the no back angle design.
Key points of quality control
- Appearance defects: burrs on the working surface ≤0.20mm, burrs on the non-working surface ≤0.40mm
- Organization requirements: defects such as black core and pores are strictly prohibited, and cross-sections must be inspected under a 25-50x microscope
- Special materials: Products containing recycled materials are allowed to relax the dimensional tolerance by 0.10mm
Implementation suggestions
It is recommended to specify in the procurement contract: 1) The brand corresponds to the requirements of GB/T 18376.1 2) Additional test items for special-purpose blades 3) Relaxed standard terms for Ni-substituted Co alloys.
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