Posts Tagged ‘Alignment’

Bad Bearings = Can damage a Clutch.

Saturday, February 5th, 2011


Bad Flywheel Bearings can quickly destroy a clutch.  Bearing failures cause excess misalignment that can seriously affect clutch life on shears and presses.

Protect Your Teeth!!!

Monday, October 11th, 2010

Brake Drive Plate with teeth worn by excessive angular alignment.

Above is a photo of a customer who was rapidly wearing teeth of a Wichita 118 KKB.  This is a typical symptom of excessive angular alignment.

Uncoiler Brake with rapid tooth wear, ready to check alignment.

Angular Alignment was over .300", Wichita specification is .009" TIR.

Angular Alignment is checked by placing the magnetic base of a dial indicator of the shaft and indicating the face of the back water jacket at an 18″ diameter (for Wichita 118″ KKB).  This application indicated over .300″ TIR, well beyond the maximum limit of .009″ TIR published by Wichita Clutch.  This explains the rapid tooth wear of the Drive Plates and Hub.  It was noted the high/low point wear at 3 o clock and 9 o clock with the 12 and 6 o clock positions being the same reading.

Steel Uncoiler using Pillow Block Bearings that need to be restrained.

Uncoiler is built using Pillow Brock Bearings to support the mandrel.  This design, like others we see using Pillow Block Bearings, has the tension force in the same plane as the Pillow Block Bearing mounting surface.  Under high tension operation there is a real potential for the bearings to slip.  Most users correct this design issue by welding hard stops to the uncoiler base with jacking screws to restrain the bearings from sliding and allowing easy adjustment for brake alignment.

Torque Tips – Wichita/Industrial Clutch and Brake Alignment

Wednesday, April 21st, 2010



Reliable air Clutch/Brake operation requires proper alignment. Proper installation needs to ensure both Parallel (concentricity) and Angular Alignment of the Clutch/Brake Ring (Housing) to the shaft.

* Brakes are more sensitive to Angular Misalignment

* Clutches are more sensitive to Parallel Misalignment

Call a Torque Inc. application engineer to assist your inspect your Clutch/Brake Alignment. Torque Inc. has the experience and expertise to ensure optimum operation of your Clutches and Brakes.

Checking the alignment of a Clutch/Brake requires the use of a Dial Indicator and Magnetic Base. In addition, the ability to rotate the shaft while Ring/Housing is held in place is required.

* Mount base to hub or shaft, Indicator Tip machined face (OD of friction area on Back Plate or face of Ring). While rotating shaft note the TIR (Total Indicator Reading) for full 360 degree sweep.

* Mount base to hub or shaft, Indicator Tip machined face (ID of Ring). While rotating shaft note the TIR (Total Indicator Reading) for full 360 degree sweep.

Below is a link to the Wichita Alignment Instructions, for details:

Low Inertia Clutch/Brake Alingment Procedure


Torque Inc. has represented Wichita Clutch for 60 years and continues to provide Heavy Duty Clutches/Brakes to the Metal Forming, Coil Processing, Converting, Printing, Marine, Mining and other heavy industries. Our staff of expert application engineers and professional customer service representatives is available to support you with:

  • Technical Support
  • New Application Engineering
  • Retrofit Engineering
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  • Clutch/Brake Rebuild Service
  • New Units from our Extensive Inventory