Ball Screw Repair, Refurbishment & Reverse Engineering Services

General Capabilities Refurbish
Rebuild
New manufacture
Redesign
Emergency Repair
Reverse Engineering
Quick Fix
On-Site
Off-Site
Failure Analysis Contamination
Corrosion
Spalling / Flaking
Brinelling
Vibration
Lubrication
Galling
Overloading
Misalignment
Repairs on
Ball Screws
Lead Screws/Acme Screws
Roller Screws
 
Spindles
Machine Tool Components
Level 1: Rework & Reload  
Disassemble, clean & inspect
Straighten Ball Screw shaft
Repair journal diameters as required
Clean & polish ball nut
Rework ball returns as required
Assemble with new ball bearings
Set preload to OEM specifications
Final inspect
Level 2: Regrind  
Disassemble, clean & inspect
Straighten Ball Screw shaft
Regrind Ball Screw and or nut raceways
Repair journal diameters as required
Clean & polish ball nut
Rework or replace ball returns as required
Assemble with new ball bearings
Set preload to OEM specifications
Final inspect
Level 3: New Nut or Screw
Disassemble, clean & inspect
Straighten Ball Screw shaft
Manufacture new Ball Screw or ball nut
Regrind component raceway to be reused
Repair journal diameters as required
Clean & polish ball nut
Rework or replace ball returns as required
Assemble with new ball bearings
Set preload to OEM specifications
Final inspect
Level 4: Manufacture New Replacement  
Engineer if required
Manufacture all components
Assemble unit
Final inspect
Level 5: Emergency Quick Fix  
Temporary repair
Non warranted repair
Same procedure as level 1
Achieve best possible functional condition
Reverse engineer to provide replacement
Procedures
Pre-Load Measurement
Checking Backlash Between Screw and Nut
Parallelism Check
Concentricity and Squareness Checks
 
Materials
High Carbon Alloy Steels
Stainless Steel
 
Length
Up to 45 ft (repair) and 35 ft (new mfg)
 
Location Serviced
North America
 
Inspection
Coordinate Measuring Machine
Optical Comparators
Hardness Checking
Lead Checking
Surface Finish Checking
Testing
No Load Torque Test
 
Additional Capabilities  
OD / ID Grinding
Surface Grinding
Assembly
Reverse Engineering
Sandblasting
Production Volume
Prototype to Medium Volume
 
Lead Time  
Level 1 Repairs: 1 to 5 days
Level 2 Repairs: 2 to 4 weeks
Emergency Expedites Available
Warranty
12 month In-Service
 

 

Industry Focus  
Industrial
Aerospace
Defense
Military
Industry Standards
ISO 9001
AS9100
ASTM
ANSI
File Formats
MasterCAM
Siemens NX 8.0
Multiple CAD formats