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--------------CRANKANDSTEIN ROLLER MILLS--------------
Get carried away with your favorite project.
It's easy when you take pride in craftsmanship.
Crankandstein has been expanding and improving for over fourteen years.
As originator of the configuration for use in homebrewing, the 3-roller D series mills are the most advanced in their class. Having a Crankandstein makes a real difference.
There are more features incorporated into Crankandsteins than the competition realizes. I hesitate to list them all since they're basically trade secrets that come from years of experience and feedback. The rollers turn with less friction, which makes the feed more reliable, reduces wear on the knurled surfaces and bearings, and produces a better husk particle for more efficient sparging. Higher efficiency can result in better beer by getting more sugar out with less runoff. Also, the 3rd rollers have a smoother surface further preserving husk integrity.
The plain steel of the Crankandstein rollers knurls more precisely and is tougher than the higher carbon steel of some competitors. While the competition may claim greater longevity based on theory, in a lifetime of actual use these mills are subject to foreign material that gouges the roller surfaces. With the brittle high carbon steel, the diamond pattern is more easily chipped away and less likely to reknurl back to the original diameter. Further hardening of the steel only makes this long-term deterioration worse. The labor is free on reknurling your Crankandstein when you contact us for details and return authorization, and the whole mill can be inspected at the same time.
Here are some links to plans for setting up a mill with an electric drill or motor:
A 10"-12" mill pulley and a 1.5" motor pulley gets a 1725 rpm motor down around 200 rpm on the mill. 1/4 hp should do it for the homebrewing mills. A 10"-12" mill pulley and a 2" motor pulley gets a 1725 rpm motor down around 300rpm on the mill. 1/2 hp works for the 320D mill and 3/4 hp for the 328D. Ebay has some good deals on motors. Grainger has a good selection of pulleys. The 10" x 1/2" bore is # 3x934, 12" x 1/2" bore 3x938, 1.5" x 1/2" bore 3x892, 1.5" x 5/8" is 3x893, 2" x 1/2" bore 3x895, 2" x 5/8" bore 3x896. These fit v-belts 3L, 4L and A.
Having the 1/2" driveshaft or the 3/8" to 1/2" adapter gives you the right diameter and clearance for attaching the mill pulley. Or put a 3/8" ID, 1/2" OD bushing in the pulley bore.