Thread-Craft, Inc.
ANABISO 9001:2008 & AS9100:2009 Rev C Registered

Ball Screw Repair, Refurbishment & Reverse Engineering Services

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Our unparalleled technical capabilities and over 25 years experience manufacturing world-class ball screws makes Thread-Craft the right choice for all of your ball screw repair and refurbishment needs. Choosing Thread-Craft guarantees you the highest quality repair at a competitive price. As North America's largest ball screw repair/replace facility, we have the expertise you are looking for. With our state-of-the-art Drake CNC Thread Grinders and NX Version 8 modeling software, we can perform even the most complex repair or engineer the perfect upgrade for your requirements. Thread-Craft provides on-site engineering services, and has over 11,000 ball screw assembly drawings on file, no other competitor is even close. Whether it's an emergency repair or manufacturing a complex aerospace assembly, we are ready to service you, as we have since 1958.

We offer 5 levels of service, beginning with our standard reload all the way through reverse engineering and manufacturing a complete replacement, and of course the popular quick fix option. Our skilled technicians will disassemble, clean and inspect the incoming assembly. We will determine the cause of failure and provide this information along with our quotation. Any evidence of misalignment, excessive heat or overloading in your machine will be noted. Where most other competitors would prefer to simply sell you a new ballscrew, we have the skill level on 2 shifts and machine capabilities to perform even the most difficult and complex regrind repairs. We complete all work efficiently and with a fair price.

Ball - Screw Repair, Refurbishment & Reverse Engineering Services
Ball - Screw Repair, Refurbishment & Reverse Engineering Services

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When time is of the essence, our emergency repair team will restore your damaged assembly to its best possible functional condition to get your production up and running quickly. We offer a replacement option for any ball screw that is irreparable. We don't just repair ball screws either-our expertise extends to lead screws, roller screws, spindles, or other machine tool components.

To learn how our expert ball screw repair and refurbishment services can bring new life to your worn or damaged parts, contact Thread Craft today.

Examples of Our Work

Ball Screw Repair and Refurbishment Capabilities

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

Additional Information

Industry Focus
Industrial
Aerospace
Defense
Military
Industry Standards
ISO 9001:2008
AS9100: 2009 Rev.C
ASTM
ANSI
File Formats MasterCAM
Siemens NX 8.0
Multiple CAD formats