Most expensive full size machine tools allow the machinist to reset the handwheel to "zero" (or any desired setting) at any time during a machining operation. Now that option is available on Sherline miniature machine tools as well.
The resettable handwheels easily replace any standard Sherline handwheel. Simply loosen the set screw on the standard handwheel and slide it off the shaft. Slide the new handwheel onto the shaft. Align the hole in the red engraved collar with the set screw in the body of the handwheel. Eliminate all "play" (backlash) between the handwheel and column thrust by pushing them together and tighten the set screw.
The larger 2½" handwheel is normally used on the "Z" axis of the Mill or Vertical Milling Column and works best when used with the thrust and bearing, because you are actually "lifting" the weight of the column with this handwheel when you crank it up. Handwheels turning on the horizontal axis are not subjected to this stress and work fine without ball bearings. Later model Sherline mills and vertical milling columns include the "Z" axis thrust ball bearing as standard. If you are upgrading an older mill or column that does not have a thrust ball bearing set on the "Z" axis, you will need to order P/N 3460 which consists of a handwheel, a bearing set and bored column thrust. If your existing handwheel has a thrust bearing in it, you will need to purchase P/N 3470 which includes a new resettable handwheel and a bored column thrust but no bearings. (You will use the ball bearing set from your old handwheel.) Simply remove the bearings from your old handwheel, set them into the new bored column thrust and install it in place of the old column thrust.
At any time during your machining operation, you can now simplify your calculations by resetting the handwheel to "zero". To do so, gently hold the handwheel in position with one hand while releasing the lock nut with the other. Rotate the red anodized, laser engraved collar until the "zero" setting is aligned with the scribed mark on the Mill, Lathe or thrust bearing collar. Then retighten the locking nut. Now you can crank in the exact amount of feed you want by reading the number directly off the handwheel.
Joe Martin, President and Owner
SHERLINE Products, Inc.
NOTE: When ordering factory installed on a new mill or lathe, resettable handwheels are substantially less expensive than if purchased separately.
Ordered on a new lathe (includes 2 handwheels)--Lathe plus $40.00
Ordered on a new mill (includes 3 handwheels)--Mill plus $60.00
INDIVIDUAL PRICES:
P/N 3420/3430--$30.00
P/N 3440/3450--$35.00
P/N 3455/3459--$35.00
P/N 3460/3465--$45.00
P/N 3470/3475--$40.00
*Optional Thrust Bearing and Thrust recommended for "Z" axis of Vertical Milling Column and Mill.
|
NO. REQ. |
PART NO. |
DESCRIPTION |
|
1 |
3406 |
Thrust Bearing and Washers |
|
1 |
3420 |
2" Handwheel Assembly, Inch (Metric P/N 3430) |
|
1 |
3421 |
2" Handwheel Body |
|
1 |
3422 |
Handwheel Locking Nut |
|
1 |
3423 |
Engraved Handwheel Collar, Inch (Metric P/N 3424) |
|
1 |
3425 |
6-32 x 7/8" Pan Head Screw |
|
1 |
3426 |
"Z" Axis Handwheel Collar, Inch (Metric P/N 3427) |
|
1 |
3440 |
2-1/2" Handwheel Asby, Inch (Metric P/N 3450) |
|
1 |
3441 |
2-1/2" Handwheel Body |
|
1 |
3455 |
2-1/2" Handwheel Asby, "Z" Axis, Inch (Metric P/N 3459) |
|
1 |
4052 |
10-32 x 3/16" Cup Point Screw |
|
1 |
4520 |
Bored Column Thrust |
|
1 |
3460 |
2-1/2" Handwheel w/ Thrust & Bearings, Inch (Metric P/N 3465) |
|
1 |
3470 |
2-1/2" Handwheel w/ Bored Thrust, Inch (Metric P/N 3475) |
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