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- Introduction to step shaft
Step shaft is a shaft with multiple cylinders with different diameters connected together like steps. The turning of the stepped shaft is actually a combination of outer circle and plane turning. We must therefore take into account the dimensional accuracy is required and the length of the outer circumference of the step in turning.
The technical requirements of step shaft:
1. The coaxiality between the outer circles of eaach gear.
2. The perpendicularity between the outer circle and the step plane
3. The flatness of the step plane
4. Clear corners at the intersection of the steps of the outer circle
2. Production capacity
CNC lathe processing: Φ5mm-Φ60mm * 700毫米
CNC milling machine processing: 800毫米 * 1500毫米 * 700毫米
Finishing of step shaft
3. Technical parameters
| product | Machinery Parts |
| certificate | ISO9001，ISO/ TS16949 |
| 材料 | Alloy steel, 碳素鋼, 不銹鋼, stainless iron |
| 表面處理 | 氧化, 發黑, 電鍍, 拋光, black matt treatment, sandblasting |
| Testing equipment | projector, Roughness Tester, Thread pitch runout measuring instrument, Calipers, micrometer, Lever micrometer, Micro thread calipers, Gauges, Rockwell hardness tester, Webster hardness tester, Diameter gauge, Gear Testing Center, Roundness tester, deflection tester, Only pass rules, High profile, Thread gauge etc. |
| Processing Equipment | CNC加工中心, CNC lathe, CNC milling machine, Internal and external cylindrical grinders, Centerless grinder , CNC grinder, 自動車床, grinder, Stamping machine, Welding machine, Drill press, Tapping machine, Wire cutting, Thread rolling machine, CNC gear hobbing machine, Surface superfinishing machine, ETC. |
| Drawing format | PDF, dwg, CAD，JPG, Solidworks |
| Production capacity | 100,000 pcs/month |
| Size range | OD: Φ4mm-Φ50mm, length ≤700mm |
| Application field | Fitness equipment, 汽車, 空調, household appliances, office appliances, medical equipment, ETC. |
| package | Plastic bag + carton + (pallet), plastic bag + wooden box, according to customer requirements |
| 交貨時間 | Sample: 10-15 天; Batch: According to the order quantity |
CNC turning of precision stepped shaft
- Machining accuracy of shaft
| Roundness | 0.001毫米 |
| Roughness | Ra0.04 |
| Flatness | 0.001毫米 |
| 硬度 | HRC/HV |
| 精確 | Level 6 |
| 寬容 | +/-0.001毫米 |
- Advantages of the shaft manufacturer
① Precise customized processing of drawings and samples;
② A shaft manufacturing enterprise, with more than 20 years of experience in precision shaft machining, and strong technical support. Advanced processing equipment, complete inspection equipment and a strong logistics inspection team;
③ 100% factory inspection, quality assurance;
④ Strong productivity and short processing cycle.6. Machining of common shaft materials
| 不銹鋼 | SS201，301，304，SS303，SS304，SS316 |
| Carbon steel | 20#，35#，45# |
| Stainless iron | 1Cr17，2Cr13，3Cr13，6Cr13，7Cr17 |
| Other commonly used alloy steels | 35CrMo，20Cr，40Cr，40CrMo，42CrMo，20CrMnTi，20CrMMnMo |
階梯軸表面處理
- 表面處理
| 不銹鋼 | Other steel materials |
| 拋光 | 發黑 |
| plating | 鍍鋅 |
| Sandblasting | Nickel plated |
| Laser engraving | Chrome plating |
| Carburizing | |
| 熱處理 |
- Strict inspection standards
① A strong QC team;
② Incoming inspection of raw materials;
③ First inspection, patrol inspection, random inspection;
④ 100% factory inspection.