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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 * 700мм
CNC milling machine processing: 800мм * 1500мм * 700мм
Finishing of step shaft
3. Technical parameters
| product | Machinery Parts |
| certificate | ISO9001，ISO/ TS16949 |
| материал | Alloy steel, углеродистая сталь, нержавеющая сталь, stainless iron |
| Обработка поверхности | Oxidation, blackening, гальваника, полировка, 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 machining center, CNC lathe, CNC milling machine, Internal and external cylindrical grinders, Centerless grinder , CNC grinder, Токарный автомат, grinder, Stamping machine, Welding machine, Drill press, Tapping machine, Резка проволоки, Thread rolling machine, CNC gear hobbing machine, Surface superfinishing machine, и т. д.. |
| Drawing format | PDF, dwg, САПР，JPG, Solidworks |
| Production capacity | 100,000 pcs/month |
| Size range | OD: Φ4mm-Φ50mm, length ≤700mm |
| Application field | Fitness equipment, автомобили, air conditioners, household appliances, office appliances, медицинское оборудование, и т. д.. |
| package | Plastic bag + carton + (pallet), plastic bag + wooden box, according to customer requirements |
| Срок поставки | Sample: 10-15 дни; Batch: According to the order quantity |
CNC turning of precision stepped shaft
- Machining accuracy of shaft
| Roundness | 0.001мм |
| Roughness | Ra0.04 |
| Flatness | 0.001мм |
| твердость | HRC/HV |
| Точность | Level 6 |
| tolerance | +/-0.001мм |
- 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
| нержавеющая сталь | SS201，301，304，SS303，СС304，SS316 |
| Carbon steel | 20#，35#，45# |
| Stainless iron | 1Кр17，2Кр13，3Кр13，6Кр13，7Кр17 |
| Other commonly used alloy steels | 35CrMo，20Кр，40Кр，40CrMo，42CrMo，20CrMnTi，20CrMMnMo |
Обработка поверхности ступенчатого вала
- Обработка поверхности
| нержавеющая сталь | Other steel materials |
| полировка | Blackening |
| plating | оцинкованный |
| Sandblasting | Nickel plated |
| Laser engraving | Chrome plating |
| Carburizing | |
| Термическая обработка |
- 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.