Custom Shaft Machining · CNC Turning
Control the functional shaft surfaces first—then plan the machining route
Hongming Sheng manufactures custom rotating shafts, stepped shafts, pins and turned components from customer drawings. We review the shaft by functional zones so the important fits, datums and rotating features receive the correct controls.
E-MAIL: info@hms1688.com
CNC TurningMilled FeaturesPrototype → ProductionNo Fixed MOQ
Identify the Functional Zones
Bearing & Bushing SeatsDiameter tolerance, roundness and surface finish should match the intended fit.
FIT AREA
Seal Contact AreasSurface condition, runout and edge transitions may affect sealing performance.
SEAL AREA
Torque-Transfer FeaturesKeyways, splines, flats, threads or cross holes need clear size and orientation controls.
DRIVE AREA
Locating ShouldersShoulder position, perpendicularity, fillets and reliefs influence assembly location.
DATUM AREA
Mobile-Friendly Process Route
1. Review the drawingConfirm datum axis, fits, GD&T, material, hardness and quantity.
2. Plan setupsSelect stock, workholding, machining sequence and tool access.
3. Turn main geometryMachine diameters, tapers, shoulders, grooves and threads.
4. Add secondary featuresProduce flats, slots, keyways, cross holes or other specified details.
5. Finish & inspectComplete specified treatment and drawing-based inspection before packing.
Materials & Secondary Processes
SteelCarbon and alloy steel by strength and treatment needs
Stainless SteelFor corrosion resistance and selected equipment uses
Non-FerrousAluminum, brass and copper according to the drawing
Heat TreatmentHardening, tempering or nitriding can be evaluated
Surface FinishPlating, black oxide, passivation or anodizing
Precision FinishingGrinding requirements can be reviewed when specified
Drawing Check Before Quotation
Is the functional datum axis clearly identified?
Are bearing, seal and coupling fits specified?
Is circular or total runout required?
Are surface roughness values limited to necessary areas?
Are hardness, heat treatment and coating requirements shown?
Are chamfers, radii, undercuts and edge conditions defined?
Use feature-specific tolerances.
Bearing seats, seal areas, threads and non-functional diameters usually do not need identical controls. Clear functional requirements help avoid unnecessary machining cost.
What to Send for a Shaft Quote
2D drawing and 3D CAD model, if available
Material grade and hardness requirements
Fits, runout, straightness and surface finish
Heat treatment, coating and grinding requirements
Prototype quantity, batch range or annual forecast
Customer drawings, CAD models and technical information are handled confidentially. NDA support is available for OEM and ODM projects.
Tel\Wechat\Whatsapp：+86 18818409949
Address: No. 132, Dongfa Road, Dongkeng Village, Gongming Street, Guangming New District, Shenzhen
E-MAIL: info@hms1688.com
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