The cam for a ZB 25 is £92, and may not fit. Have got a ZB25 with all the kit and manuals, let me have a picture and I will see if I can help.īrierleys man says it's a ZB 2,and about 50 years old ! The next task is to find out what the setting gauge for the protrusion of the drill bit looks like and make one. At the moment any help or advice would be useful. It's markings I think refer to drill diameter in 32nd of an inch,0 to20 which would tally with it having a capacity of 5/8" Having looked at some youtube vids they only give a vauge idea as to how it works. The protrusion of the drill bit beyond the chuck has to be set by a Gauge, there is a graduated bar behind and below the chuck though it's purpose is at the moment unclear. I await a reply as to wether A is possible or if brierley can offer any help with a sketch or drawing with plan B.
My only option is to A) try to adapt a cam from the later ZB25 or B) make one from scratch. Though my machine shows little wear it's an early model for which no spares are available. Hi Chris, I have been intouch with Brierley/chester. I have a Brierley supplied cutter grinder (American made "Cuttermaster" I have seen You Tube operating instructions / Demonstrations for my machine. Does anybody know anything about these machines ? Noel. The manuals are available at a big price. The motor/grinder is moved by a lever and the 4jaw chuck would seem good for about 16mm. I think it may be a ZB 11 but can find no numbers. At long last I've got my hands on a brierley drill grinder.
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