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Application of machine
This machine is designed to be two or three dimensional pantograph
engraving machine(copying machine)with enlarging and reducing
function, and specialized in engraving characters, lines, figures upon index plate, instrument and meter panel , indicator board, scale, stamp,
matrix etc.,it is also used to machine various kinds of small moulds
and reproduce relief, I t is suitable for enterprises of machinery ,
hardware, electric element .instrument, arts and crafts

.High spindle speed, low noise
.With vertical feed mechanism
.Supplied with local copying apparatus
.Compact construction, easy to operate
.If equipped with special accessories, wide application to be available

Main specifications 4220A 4222A
Max. milling length(at reduced scale 1:1.5) 220mm
Max. milling width ( at reduced scale 1:1.5) 200mm
Distance between centers of pantograph 380mm
Range of engraving proportion 115-18
Worktable size(L W) 360200mm
Travel of worktable :longitudinal/ Cross/ Vertical 300/160/360mm
Copy table size(L W) 500320mm
Travel of copy table: longitudinal/ Vertical 200mm/320
Rotational range of copy table 360
Max.distance from spindle nose to working table surface 360mm
Spindle:Rapid travel/Micro-movement travel 6mm/1mm
Spindle speed: steps/range 12steps/1600-20000rpm
Clamping dia.of spring collets 346810mm or 1/83/161/45/163/18

Power/ Voltage 0.37kw/220,380,420,440V
Speed/ Frequency 2840rpm/50Hz or 3400rpm/60Hz
Overall dimensions/ Net weight 14093140cm/670kg 14093x140cm/690kg
Packing dimensions/ Gross weight 165115128/920kg 165115182cm/940kg


Application of machine
This machine is designed in copying and reproducing various shapes
of work pieces at the ratio of 1:1. It can be also used as an ordinary
milling machine and suitable for enterprises to make various kinds of
moulds directly from available specimen.
1.Profiling mechanism: Double-parallelograms mechanism, large
range of cutting.
2.With two spindles, able to work simultaneously.
3.Inclining angle of spindle: 20
4.Profiling mechanism: Vertical movement.
5.Adopt two-speed motors.
Main specifications


Work table
Copy table
Table size(L W) 520 350 mm
Longitudinal/Cross/Vertical travel 300 / 200 / 350mm
Rotary range of table 360
Distance between centers of profiling mechanism 420mm
Travel of profiling mechanism 70mm
Max.Machining diameter of circle 300mm
Range of spindle speeds 500-10000,1000-20000rpm
Number of spindle speeds 17steps
Clamping diameter of collets (metric or inch) 4,6,8,10,12,mm or3/6 ",1/4 ",5/16 ",3/8 ",1/2"
Power 650850w
Voltage 380v,220v,420v
Speed, frequency 1450/2920rpm,50Hz or 1740/3504rpm,60Hz
Overall dimensions / Net weight 152136173cm/1200kg
Packing dimemsions / Gross weight 190170210cm/1900kg
    China Rui Feng Corp., Ltd.
       TEL: +86-532-85819106 82971386            FAX: +86-532- 85829250  82971397

              Add: 32/F, International Trade Mansion, No.51, TaiPing road, QingDao, China 266001      



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