Our CNC turning work has been mostly various types of cable and rope sheaves made from cast iron, steel and nylon. But we also make many types of components from bar stock, forgings and castings with tight tolerances and features that have press fits for bearings. Winn Mfg. will reverse engineer customer supplied components. Through the years, we have worked with many maintenance engineers to simplify and improve their parts that may or may not be available from the OEM.

Gear box output shaft that is a1045 steel forging. CNC turned. The milling, drilling and tapping was done on a CNC vertical machining center.
Cast iron bearing housing that is used on flour milling equipment. Turned on a CNC lathe. The drilling and tapping was done on a CNC vertical machine center.
Small Cast iron transmission housing. Completely machined on CNC lathes and horizontal machine center.
Cast iron rope and cable sheave machined on a CNC lathe in one operation. Left part is 10" diameter x 1-1/4 wide. Right part is 8-9/16 diameter x 1" wide.
Both parts are 4140 steel nuts that are heat treated to 48 Rc and one is copper electroplated.
Cast iron cable sheave machined on a CNC lathe in two operations. Both parts are 8-1/2" diameter x 3-3/4 wide with different groove configurations.
CNC milled part made from Delrin
Small assembly used as an adjusting screw, that was reverse engineered from a supplied assembled that the OEM no longer made.
14-1/2" diameter cast iron rope sheave with a bearing bore held within .0007. Raw casting is on the left, the finished machined part is on the right.
10-1/2" diameter cast iron rope sheave with a bearing bore held within .0007. Raw casting is on the left, the finished machined parts are on the right.
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