OPERATOR’S MANUAL
P 1 / 57
1. FORWORD
LONG CHANG 20 SERIES OF MILLING MACHINES are designed and manufactured to meet the demands
by most of out customers.
All parts and materials have beer placed under strict quality control to ensure the machine quality superiority
and permanent service life.
This manual shall give a detailed account of the structure, mechanism, methods of operation, maintenance,
etc. of 20 Series Millers. For permanent hi-precision and maximum efficiency of each and every machine,
the operators, maintenance and repair personnel are requested to study this manual thoroughly and follow
the specific instructions in operations and maintenance exactly.
2. Safety Rules and Regulations
(1) Wearing of loose clothes by operatiors is not allowed.
(2) Operators shall wear the goggles and safety boots.
(3) Do not allow the body to get too close to the machine while it is in revolution.
(4) Cautions must be exercised in machine handling in reference to the specific details in this manual.
3. Capacity:
(1) Vertical units :
1
、
Drilling : Front and oblique, drillings.
2
、
Boring : Front and oblique borings by cutters installed.
3
、
Molding : Processing of irregular curves and mold removing angles.
4
、
Polishing : Surface polish on metalic parts.
5
、
Milling : Face, oblique, end, side millings, etc.
(2) Vertical- Horizontal Units :
1
、
Same as vertical units from ( 1 ) to ( 5 ).
2
、
Cross Milling : Plain milling, slab milling, side milling, gaug milling, cutting off, etc.
Summary of Contents for LC-20VA
Page 1: ...OPERATOR S MANUAL SHARP INDUSTRIES INC 310 370 5990 edition A02 LC 20VSG VH 25 Series ...
Page 14: ...OPERATOR S MANUAL P 11 57 A C B C E G D F H FIG 9 2 Replacement of speed change belt R Fig 10 ...
Page 16: ... OPERATOR S MANUAL P 13 57 P N O J L K M I Q FIG 10 3 Replacement of brake block Fig 11 12 ...
Page 19: ...OPERATOR S MANUAL P 16 57 2 20 VC Headstock FIG 14 ...
Page 30: ...OPERATOR S MANUAL P 27 57 ...
Page 46: ...OPERATOR S MANUAL P 43 57 ...
Page 58: ...OPERATOR S MANUAL P 55 57 SPEED DIAGRAM Motor 50 Hz ...