Jet JDP-20EVS, Operating Instructions And Parts Manual

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12
Drill Speed Chart
There are many variables when determining what RPM to use. Use the following drill speed chart to choose the
approximate drill speed for the size bit, and type of material to be drilled. The chart is a general reference for a
90° cut in the workpiece using HSS (high-speed steel) tools. For more detailed information refer to the
“Machinery’s Handbook.”
1/8” 1/4" 3/8” 1/2" 5/8” 3/4" 7/8” 1” 1-1/8” 1-1/4"
Aluminum
and Alloys
2,000 2,000 2,000 2,000
1224-
1834 1016-
1528 876-
1310 764-
1146 680-
1018 612-
840
Copper Alloys
1833-
2000 966-
2000 611-
1782 458-
1336 366-
1069 305-
891 261-
763 229-
668 203-
594 183-
534
Alloy Steels
611-
2000 305-
1298 203-
865 152-
649 122-
519 101-
432 87-
371 76-
324 67-
288 65-
259
Lubrication
Location Type Frequency
Top of spindle shaft under
plastic cap
#2 lithium based tube grease Monthly
Quill and column Machine tool oil Daily
Lift rack 20W non-detergent oil
Weekly (clean rack with
kerosene before lubricating)
Table lift Gear grease
Twice yearly (clean and
regrease)
Behind oil fill label left side of
head
Mobil DTE Heavy Medium
Change after 6 months and
annually thereafter. Capacity 1
Quart. Drain plug is located in
the cut away section on the
bottom side of the head
Replacement Parts
Replacement parts are listed on the following pages. To order parts or reach our service department, call 1-
800-274-6848 Monday through Friday, 8:00 a.m. to 5:00 p.m. CST. Having the Model Number and Serial
Number of your machine available when you call will allow us to serve you quickly and accurately.