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Wickman 1-3/4": How to Change Pins and Bushings of Upper Quadrants

October 7, 2014 - 11:57am -- Noah Graff

The following videos give step by step instructions for changing the pins and bushings of the upper quadrants of a Wickman 1-3/4" 6-spindle. The videos were shot at Graff-Pinkert's facility. Click "read more" to see the second and third videos.

 

Part 1: Changing Pins and Bushings on Upper Quadrants of Wickman 1-3/4"

 

Part 2: Changing Pins and Bushings on Upper Quadrants of Wickman 1-3/4"

 

Part 3: Changing Pins and Bushings on Upper Quadrants of Wickman 1-3/4"

It's a Wonderful Business

December 20, 2013 - 12:18pm -- Lloyd Graff

Yesterday was an emotional day for me. I gave out end of the year bonus checks to the employees of my used machinery company, Graff-Pinkert, holding impromptu talks with each person after delivering each envelope. I thanked each person for their contribution, asked them how they could improve next year and how I could help them. Paternalistic, very old school.I found myself holding back my tears during some of the sessions. I scurried to an empty shop office to pull myself together — and wept. Some context. As I drove to work yesterday, I was wallowing in a sense of futility.

Which Multi-Spindle Is Right For You?

November 26, 2012 - 6:05pm -- Noah Graff
Slides on a 1-3/8" 6-spindle Wickman (Notice the steel on steel end-tool slide to stem)

In addition to CNC lathes, Hydromats and newer European multi-spindles such as Schutte, INDEX, and Euroturn, Graff-Pinkert historically has specialized in mechanical multi-spindles such as Wickmans, Acmes, and New Britains.

The following is a basic guide to help you choose the best mechanical multi-spindle for you.

The first question to ask when deciding which machine to buy is who is going to run the machine. If the operator is an Acme-man or a New Britain veteran who has only run those machines for decades, it's usually best to stick to the equipment which that operator knows best. However, if an operator is open to using any multi-spindle and they can run the job on a 6-spindle machine, Graff-Pinkert generally recommends using a Wickman.

The main reason Graff-Pinkert recommends Wickmans is that it's a much lower cost to tool the machines. There aren’t any cams to change on Wickmans, just lever ratios. You loosen up some bolts, you slide it into the throw that you want and your done. Setting up an Acme or New Britain requires. ...

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