Hobart Welding Products HP-70 Welder User Manual


 
. A complete Parts List is available at www.MillerWelds.com
OM-244 013 Page 20
5-2. Mild Steel Recommended Cut Speed
. Aluminum and stainless steel cut speeds at these thicknesses may be reduced as much as 30%.
Thickness Approximate Travel Speed*
Inches Millimeters IPM mm/min
1/8 3.2 130 3292
1/4 6.4 52 1321
3/8 9.5 28 711
1/2 12.7 14 345
5/8 15.9 9 224
3/4 19.1 6 163
*Travel speeds are approximately 80% if maximum. The best cut quality is achieved by cutting near the table value. Cutting below the value
(too slow) will result in excess dross. Cutting above the value (too fast) will cause blowback and lack of penetration.
5-3. Trigger Safety Lock
1 Trigger
Ref. 804 848-A
1
Trigger Locked
When Button Is In
Forward Position
(Left And Right Side)
Slide Button Back
To Unlock Trigger
(Either Left Or
Right Side)
1