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--- equipment:metalshop:metallathe:metallatheinduction [2023/09/22 15:41] – created drew
+++ equipment:metalshop:metallathe:metallatheinduction [2024/11/19 21:42] (current) – external edit 127.0.0.1
@@ Line 3: / Line 3: @@
 ====== Harrison M250 Metal Lathe Induction ======
 Bristol Hackspace V1.0 02/05/22
 Author: Drew Batchelor
-Edited with Alex Rowe
+Edited with Alex Rowe.
 Checked / Approved by Matt H+S Director 02/05/22
@@ Line 46: / Line 49: @@
 ===== Demonstration of a test cut =====
-Demonstrate a single cut using the power feed. Setup a cutting tool in the tool post before starting.
+  * Demonstrate a single cut using the power feed. Setup a cutting tool in the tool post before starting.
-Mount the stock in the chuck - nice and secure. Caution about leaving the chuck key in the chuck.
+  * Mount the stock in the chuck - nice and secure. Caution about leaving the chuck key in the chuck.
-Which tool for basic cut - use cheap insert tools.(HSS also an option).
+  * Which tool for basic cut - use cheap insert tools.(HSS also an option).
-How to position the tool - height and angle. (Use the tail stock for beginners.)
+  * How to position the tool - height and angle. (Use the tail stock for beginners.)
-Set the spindle speed and direction- (use basic lathework page 92 the manual for speeds and feeds). Set letters with outer knob, then numbers with lever, you will need to rotate the chuck by hand to engage the gear. Put the gearbox in the wrong gear - correct with the lathe turned off.
+  * Set the spindle speed and direction- (use basic lathework page 92 the manual for speeds and feeds). Set letters with outer knob, then numbers with lever, you will need to rotate the chuck by hand to engage the gear.  Put the gearbox in the wrong gear - correct with the lathe turned off.
-Check feed disengaged both auto feed and thread cut lever is down, and xy knob is in for sideways and out for cross slide.
+  * Check feed disengaged both auto feed and thread cut lever is down, and xy knob is in for sideways and out for cross slide.
-Demo Start lathe and Stop lathe with stop button. A demo / practice test press of the e stop and reset (useful for each induc.)
+  * Demo Start lathe and Stop lathe with stop button. A demo / practice test press of the e stop and reset (useful for each induc.)
-Touchoff.
+  * Touchoff.
-Set cut depth (be conservative 0.2mm(on diameter to start 0.2-0.4mm is workable) standard take your time, feel the pressure) explain backlash wind in.
+  * Set cut depth (be conservative 0.2mm(on diameter to start 0.2-0.4mm is workable) standard take your time, feel the pressure) explain backlash wind in.
-Cutting fluid.
+  * Cutting fluid.
-Engage feed.
+  * Engage feed.
-Disengage feed at end of cut. Be ready to hit the auto-stop.
+  * Disengage feed at end of cut. Be ready to hit the auto-stop.
-Stop. Then repeat a few times until comfortable.
+  * Stop. Then repeat a few times until comfortable.
-Remove the swarf - Only when Lathe is stationary With a tool - swarf pliers, not by hand.
+  * Remove the swarf - Only when Lathe is stationary With a tool - swarf pliers, not by hand.
 Ask if there are any questions?
+===== Practice cuts =====
 Each inductee to follow through these steps after your demo -  Keep your hand near the e-stop when watching others make a cut.