|
Swiss Type CNC Turning Service Small Precision Stainless Steel Pins Bushings 0.5mm To 20mm Diameter
| Brand Name: | WISHTEK |
| Model Number: | OEM-SWISS-20 |
| MOQ: | 100 Pieces |
| Price: | USD 0.05 - 2.50 / Piece |
| Payment Terms: | T/T, L/C, D/P, Western Union |
| Supply Ability: | 500000 Pieces per Month |
swiss type micro turning 0.5mm
,small stainless steel pin turning
,tight tolerance bushing machining
Swiss Type CNC Turning For Small Precision Parts
Sliding headstock turning from 0.5mm to 20mm diameter for stainless steel pins, bushings, contacts and micro shaft components.
Why Swiss Type Turning
On a conventional lathe, a 2mm pin that is 40mm long bends away from the tool and the diameter drifts along its length. A sliding headstock machine feeds the bar through a guide bushing so the cut always happens within a few millimetres of the support point. The result is a straight, concentric part with a repeatable diameter, even at a length to diameter ratio of 10:1.
Parts are machined complete in one cycle, including turning, drilling, cross milling, slotting and thread whirling, which removes secondary operations and the stacking tolerance that comes with them.
Machine Capability
| Diameter range | 0.5mm to 20mm |
| Maximum part length | 200mm, or longer with secondary support |
| Length to diameter ratio | Up to 10:1 in a single pass |
| Diameter tolerance | +/-0.005mm, down to +/-0.003mm on request |
| Concentricity | 0.005mm |
| Surface roughness | Ra 0.4 as turned, Ra 0.2 after fine turning |
| Spindle speed | Up to 12000 rpm |
| Bar feeder | 12 hour unattended running for volume orders |
Typical Parts
- Stainless steel guide pins, dowel pins and locating pins from 1mm to 8mm
- Bronze and brass bushings, spacers and sleeves with press fit tolerance
- Connector contacts, pogo pin barrels and RF connector bodies
- Sensor housings, insert moulded metal cores and feedthrough pins
- Watch components, camera module barrels and optical spacers
- Medical device shafts, electrode pins and cannula parts
Materials
Stainless steel 303, 304, 316L, 17-4PH and 440C; free cutting brass C36000; beryllium copper; titanium Grade 5; aluminum 6061 and 7075; engineering plastics POM, PEEK, PTFE and PPS. Material certificates are archived by heat number for each batch.
Finishing And Heat Treatment
Passivation, electropolishing, nickel and gold plating, black oxide, PVD coating, anodizing and laser marking. Stress relief and hardening up to 58 HRC are arranged with certified subcontractors, with hardness reports included.
Quality Control
- First article inspection report with full dimensional layout before mass production
- Tool microscope and optical comparator for micro features and radii
- CMM and vision measurement for key dimensions on sampled parts
- 100% optical sorting on pins and contacts when specified
- Salt spray and hardness reports available on request
Ordering Process
- Send a 2D drawing with tolerances plus a STEP file, and state the annual or monthly quantity
- Receive a DFM note and quotation within one working day
- Approve the first article sample, then production runs on the bar feeder
- Final inspection, count and pack, then ship by express or air freight
Packing
Parts are degreased, dried and packed in anti-static bags or blister trays by quantity, then into labelled cartons with desiccant. Small pins are counted and weight verified twice before sealing.
Include the material, tolerance and surface requirement so we can confirm cycle time and the most economical bar size.
