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Shaft Manufacturing — Precision Shaft Turning on a CNC Swiss-Type Lathe

⌀1–20 mm shaft manufacturing: straight, stepped, tapered, knurled, encoder and motor shafts. 16 families, 161 types + custom sizes. ±0.01 mm, quote-based.

Manufacturing Scope

Shafts are cylindrical machine elements that transmit rotation and torque and carry bearings, gears, pulleys or couplings; they act as the load-bearing axis in motors, gearboxes, encoders, pumps, textile machinery and automation equipment. This category holds 16 families and 161 part types: straight shafts (DM), stepped shafts (KM), double-stepped shafts (CK), long thin shafts (IU), ground shafts (TM), shouldered shafts (OM), tapered stepped shafts (KU), knurled splined shafts (TD), plus threaded-end, encoder, motor and gearbox output shafts and slotted/bored variants. We machine steel, stainless steel, brass and aluminium. Critical diameters are held to ISO tolerance classes such as h6 for bearing seats and H7 for fits, with general machining accuracy on the order of ±0.01 mm. Production runs on a Goodway SW-20 CNC Swiss-type lathe across a ⌀1–20 mm diameter range; the guide bushing keeps micron-level tolerances even on long, slender shafts. Beyond the 161 catalogued types, we manufacture custom sizes from your drawing or sample. Send your technical drawing (PDF/DWG) for a quote.

The defining part here is MILA-IU-03 at L/D 15 — the slenderness a sliding-head lathe is built for. Lengths across the 161 variants run 20–150 mm, the longest being MILA-IU-12 at 150 mm, still inside the 207 mm single-setup limit. Operations: 26× thread turning, 8× hex flat milling, 10× axial bore, 20× taper turning, 20× knurling.

37 of the 161 variants reference a DIN or ISO standard; the tolerance classes in use are 6g, h5, h6, h7, h8, h9, j6.

Every part is CNC-turned to your drawing — series, small batches and custom turned parts. Send your drawing (PDF/DWG/STEP) for a quote.

Part Families

Plain Shaft DMSingle-diameter plain cylindrical shaft with chamfered ends.11 types⌀3–20 mmOpen the code & size table →Single-Step ShaftTwo-diameter single-step shaft with a shouldered transition.10 types⌀6–20 mmOpen the code & size table →Double-Stepped Shaft CKThree-diameter symmetric double-stepped shaft with a larger center boss.10 types⌀7–20 mmOpen the code & size table →Long Slender Shaft IUHigh length-to-diameter slender plain shaft for guide-bush machining.10 types⌀3–12 mmOpen the code & size table →Ground Shaft TMPrecision-ground plain guide shaft with tight tolerance and fine surface.10 types⌀4–20 mmOpen the code & size table →Shouldered Shaft OMBearing shaft with a thick shoulder boss and slender pilot journal.10 types⌀8–20 mmOpen the code & size table →Cone-Tip Stepped Shaft KUStepped-body centering shaft ending in a tapered cone tip.10 types⌀6–20 mmOpen the code & size table →Knurled Threaded Shaft TDAdjustment shaft with stepped body, knurled grip and end metric thread.10 types⌀8–20 mmOpen the code & size table →Threaded-End ShaftFunctional shaft with a plain cylindrical body and a metric-threaded end for fastening.10 types⌀5–14 mmOpen the code & size table →Stepped Bearing ShaftBearing-and-locating shaft built from successive cylindrical steps of differing diameters.10 types⌀6–18 mmOpen the code & size table →Tapered-End ShaftFunctional shaft tapering to a cone at one end for centering and press-fit seating.10 types⌀5–16 mmOpen the code & size table →Knurled ShaftFunctional shaft with a knurled zone on the body for grip or press-in retention.10 types⌀5–16 mmOpen the code & size table →Encoder ShaftTight-tolerance stepped precision shaft for encoder disc and bearing seating.10 types⌀4–14 mmOpen the code & size table →Motor ShaftMotor output shaft carrying a threaded or stepped drive end for coupling engagement.10 types⌀6–16 mmOpen the code & size table →Gearbox Output ShaftStepped-body gearbox output shaft with a hex or threaded torque-transfer end.10 types⌀8.1–19.6 mmOpen the code & size table →Hollow / Grooved ShaftLightened functional drive shaft with an internal bore or a stepped groove along its length.10 types⌀6–16 mmOpen the code & size table →

Shafts are turned in a single setup on a Goodway SW-20 CNC Swiss-type (sliding-head) lathe. Because the bar is fed through a guide bushing close to the cutting point, vibration is reduced and micron-level tolerances are maintained even on long, slender shafts. Steps, shoulders, tapered ends, slots, threaded ends and knurls are machined in the same operation; bearing-seat diameters are ground to finish when required.

Related Categories

Pins Bushings Fasteners Nuts & Adapters Spacers & Standoffs Fittings Nozzles Valve Parts Connector Pins Fixing & Locating Membrane Press Spares Custom Turned Parts Medical & Dental Parts Couplings & Shaft Adapters Bearing & Seal Adapters Electrodes & EDM Tips Opto-Mechanical Parts Textile Machine Parts Automotive Precision Parts Hydraulic & Pneumatic Pistons Mold & Die Components Joint & Pivot Elements Micro & Watch Parts
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