How to Get Custom Ball Spline Samples: Process, Lead Time and MOQ

2026-10-04 25

Answer: Custom ball spline samples typically ship in 2-3 weeks from requirement confirmation. The process is: 1) send your working conditions (load, speed, stroke, environment, interface dimensions), 2) UVT engineering proposes a non-standard configuration - shaft diameter 2-100 mm, custom stroke, flange type, material (stainless for cleanroom) and surface treatment (PVD, DLC, black oxide), 3) prototype is machined and validated, 4) you approve and production follows. No fixed MOQ applies for first samples; batch MOQ is agreed per drawing.

What can be customized

Dimension / feature	Standard range	Custom options
Shaft diameter	2 / 3 / 4 / 5 / 6 / 8 / 10 / 12 / 15 / 20 / 25 / 30 / 40 / 50 / 60 / 80 / 100 mm	Non-standard diameters on request
Stroke (limited stroke type)	Standard stroke range	Custom stroke with cage design
Flange / mounting	Round flange, cut-edge flange, block	Custom flange interface per customer drawing
Material	Carbon steel shaft	Stainless steel shaft (cleanroom, no rust oil)
Surface treatment	-	PVD, DLC, black oxide, low-friction coatings

Typical sample timeline

Stage	Time	What happens
Requirement intake	Day 1	Working conditions and interface drawing reviewed
Engineering proposal	Day 1-3	Configuration, preload class, precision grade, life estimate
Prototype machining	Day 4-14	Non-standard machining and assembly
Validation & approval	Day 15-20	Dimensional report; customer fit test

5-point checklist before requesting a custom sample

Working conditions: load (radial / torque), speed, acceleration, stroke, frequency
Accuracy: positioning repeatability required, precision grade (H / P)
Preload class: T0 clearance vs T1 light preload (see preload guide)
Environment: cleanroom / corrosive / temperature - drives stainless and surface treatment
Interface: shaft end machining, flange mounting, existing competitor part number to match

UVT also offers a free combination system: spline sleeves and shafts are stocked as separate items and can be paired freely (interchangeability marks S1 / S2), so urgent changes do not wait on inventory. For a custom ball spline sample quote, submit your working conditions via our contact form. UVT Transmission - the second manufacturer worldwide for 3 mm ultra-precision miniature ball splines.

Get a Quote for Your Application

Tell us your load, speed, stroke and environment - we reply within 1 business day with spec, lead time and a free sample plan.

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