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View Examples Of Our Past ProjectsCNC Swiss Machining of an
Eye Glass Repair Tool
Screw Machining of a
Check Valve Assembly
CNC Turning of a Regulator ShaftCNC Machining of an
Expansion Coupler
CNC Swiss Machining of a
Missile Latch Bolt Assembly
CNC Machining of a Down Hole
Nose Guide
CNC Swiss Machining of a
Banjo Tuning Machine

CNC Turning of Stainless Steel/Brass Regulator Shaft for the HVAC Industry

Stainless Steel/Brass Regulator ShaftFairchild Auto-Mated Parts, Inc. built the above stainless steel and brass regulator shaft, used within a fluid control instrumentation mechanism, for the HVAC industry. To begin this process, we first proposed the unit to be manufactured as a two-piece assembled component, which would help reduce overall production costs. We then rough and finish turned both the shaft and top of each unit. Finally, we combined our CNC screw machining, press staking, and assembly operations to complete the shaft's build.

Holding a ±.001" overall tolerance, with a concentricity of .002", a total run out of .001", and a perpendicularity of .0012", we built this part from a combination of T303 stainless steel and CDA 360 brass material. The shaft measured 1.300" in length and .8228" in outside diameter, and possessed a smooth, 32 RA finish. We also performed comprehensive inspections of all unit components, as well as checked the part's final assembly for proper construction.

Due to the fact that we were able to manufacture these products to meet absolute client satisfaction, Fairchild Auto-Mated Parts, Inc. presently manufactures 35,000 to 55,000 regulator shafts per year for this client, building these high-volume parts within a quick, 6-week turnaround time. These shafts are currently used in HVAC applications throughout the world.

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Stainless Steel Check Valve Assembly Project Highlights

Product Description This stainless steel/brass regulator shaft is used within HVAC application.
Capabilities Applied/Processes
  • Built for Cost Reduction
CNC Turning
  • Rough & Finish Turn Shaft and Top
Screw Machining
Press Staking
Equipment Used to Manufacture Part
7-Axis CNC Swiss Turning Center Single Spindle Screw Machine
Overall Part Dimensions
Length: 1.300" O.D.: Ø.8228"
Tightest Tolerances
Concentricity of .002"
Total Runout of .001"
Perpendicularity of .0012"
Materials Used
T303 Stainless Steel CDA 360 Brass
Max Material Finish 32 Ra
Two Piece Assembly to Reduce Cost Operates Within Temperatures Ranging from 0°- 450° F
Inspection Performed In Process Inspection of
  • Parts
  • Completed Assembly
Tooling Cost $625
Estimated Part Weight .8 oz.
Industry for Use HVAC
Packaging Individual Cells
Volume Manufactured 35,000 to 55,000 Per Year
Turn Around Time 6 Weeks
Delivery Location World Wide
Standards Met Customer supplied specifications
Product Name Regulator Shaft

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