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

Second Shift Emergency Repair of a Ball Screw for the CNC Machinery Industry

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On a recent late afternoon, a customer in the automotive industry contacted Thread-Craft with an emergency situation; a ballscrew from their heavy duty CNC machinery was in need of an urgent repair. Production needed to be running again by morning. Our sales engineer picked up the unit, immediately realizing it was damaged well beyond any repair, including a regrind or even quick fix. Given the unique situation, Thread-Craft was able to use the existing ballnut and previously manufactured 4150 screw material to craft an innovative solution. The unit was modified on the spot and repaired using our advanced milling, turning, and grinding capabilities. Tolerances of +/-.0002" were required to return the bearing diameters back to OEM specifications. The unit was preloaded, dimensionally inspected and then sent to a final running condition test.

This critical repair project was completed during our second shift, and turned around in only 12 hours. The customer was back to full production by 6:00 AM the next morning.

At Thread-Craft we are unique in our ability to reverse engineer and repair components such as this with exceedingly short lead times by utilizing our unmatched machine capacity and second shift, which includes experienced assemblers. We stand behind our craftsmanship and offer a full warranty. For more information about this emergency ball screw repair please see the table below or contact us directly.

Emergency Repair of a Ball Screw for the CNC Machinery Industry
Emergency Repair of a Ball Screw for the CNC Machinery Industry

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Highlights of this Emergency Repair Process

Product Description This ballscrew is used on a heavy duty CNC manufacturing machine.
Emergency Repair Capabilities Applied/Processes Primary:
Ballscrew Engineering Field Support
  • Emergency Repair
  • Shift Support
CNC Machining
  • Milling
  • Turning
  • Grinding

Secondary:
De-Burring
Equipment Used to Manufacture Part Saw, Lathe, Mill, OD Grinder, 'V'-Thread Grinder
Overall Part Dimensions 50mm x 10mm lead x 1280 mm OAL
Tightest Tolerances +/- .0002 Bearing Diameter
Material Used 4150 Previously manufactured screw material, Customer supplied nut
Material Finish Ground
In process testing/inspection performed Dimensional inspection, preload and running condition test
Industry for Use Manufacturing - CNC Machinery
Automotive
Volume 1
Delivery/Turnaround Time 12 hours
Delivery Location Port Huron, Michigan
Standards Met Customer Specifications
Product Name Emergency Ball Screw Repair

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