The Bridgeport Torq-Cut 22 is a smaller CNC vertical machining center. It comes fitted with a grease lubricated and belt driven spindle capable of running up to 7,500 rpm.
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Ingersoll T1000 Spindle Repair
CHALLENGE
Northland Tool & Electronics has worked closely with our customer, a large automobile manufacturer, for over 20 years maintaining the spindles in their Ingersoll machines. Our customer incorporates a progressive predictive maintenance program in their facility and Northland Tool is encouraged to provide input on spindle failures and corrective actions. Our customer contacted Ingersoll and Northland Tool to review this information and determined it would be cost effective to replace this 20 year old spindle’s shaft with new to insure OEM specifications were held in the repair process and to provide continued reliability of the spindle.
In our evaluation we also found the rear bearing housing was “egged” or “out of round”. The spindle was quoted with a new shaft and grind, chrome plate and finish grind of the rear bearing housing and bearing replacement. The customer also decided at the same time to order two extra shafts due to the lead time and the quantity of spindles they have that may require them.
SOLUTION
Northland Tool received the shafts from Ingersoll and completed the grind, plate, finish grind of the housing. All parts to the spindle were qualified. We manufactured new bearing spacers and some other wear parts to bring this spindle to the same condition it was in brand new.
RESULT
After reassembly of all components, adjusting bearing preload, and undergoing break-in and testing procedures, this spindle passed our final quality inspection before being returned to our customer with a 1-year warranty.
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More Case Studies
Repair History - Here are examples of similar spindle repairs that may contain additional information that will help you. If you have additional questions, please contact us.
OD grinding — or outside diameter grinding — is a cornerstone of precision manufacturing, where exact specifications and flawless surface finishes are essential.
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