Precision turned parts from Shenzhen since 2009 [email protected]  |  +86-18138201756
Collection of machined brass steel and aluminium components produced at Shipu Precision
Case Study

One Supplier For A Mixed Family Of Machined Hardware

A family of turned and milled parts in mixed materials, produced and fit-checked together instead of being split across several suppliers.

Client Background

Equipment Builders Buying A Whole Hardware Set

Machine builders rarely need one turned part. They need a bushing, the shaft that runs in it, the block that clamps it and the housing that carries the bearing, and each of those has historically come from a different shop.

Project Challenge

Parts That Pass Individually And Fail Together

Every item met its own drawing. The assembly still fought back, because nobody had ever measured the parts against each other.

  • Brass bushings sized to nominal rather than to the actual shaft
  • Press fits that changed once the parts were plated
  • Spline collets that slid freely unloaded and bound under torque
  • Four suppliers, four lead times and four inspection reports
Customer Pain Points

Where The Cost Really Sat

The machining price was never the problem. The cost was in the assembly time, the shortages and the arguments about whose part was out of tolerance.

Our Solution

Make The Whole Family In One Plant

The family is machined in the same production window across the plant's lathes and milling machines, then mating pairs are gauged and trial-assembled before anything is packed. Where plating is involved, the coating thickness is allowed for before cutting and the fit is re-checked afterwards.

Manufacturing Process

Processes Combined Rather Than Coordinated

The company's own description names cold heading, turning, stamping, milling, grinding and wire cutting as process combinations it works with, and undertakes the hardware trade its customers need alongside them. A mixed family draws on whichever of those a given item requires.

  • Turning and milling in the Shajing plant
  • Plating and heat treatment through managed local processors
  • Bought-in standard hardware included where the customer wants it
  • One inspection record covering the finished set
Supply Chain Coordination

One Order Instead Of Four

The customer places one purchase order and receives one delivery, with a contents list and a single lot record behind it.

Final Result

Assemblies That Go Together First Time

Fits are proven before the parts leave Shenzhen rather than discovered at the assembly bench, and shortages stop holding up builds because the set ships complete.

Customer Benefit

Less Purchasing Work, Fewer Surprises

Fewer purchase order lines, fewer goods-in inspections, and one supplier who cannot blame anyone else if the parts do not fit.

FAQ

Questions About This Program

How many items can go into one family?

There is no fixed limit. What matters is that the drawings arrive together so the mating features can be reconciled before anything is machined.

Do you include bought-in parts?

Standard fasteners and similar items can be included and are quoted as separate lines, so you can see what is machined and what is purchased.

Is a family more expensive than buying separately?

The machining cost is the same. What changes is the assembly and purchasing effort on your side, plus the fit problems that never reach you.

Send The Whole Drawing Set

If your assembly needs several machined items, send all the drawings at once. We will quote item by item and tell you which fits we would check.