Machine application:This machine is PLC/CNC controlled. It's
applicable for centerless through-feed grinding of cylindrical and
conical parts and centerless in-feed grinding of cone parts and the
formed rotational parts (widely used for automobile part and
bearing roller grinding). This machine is applicable for mass
production.Machine configuration & characteristics:1. The
machine base is made of Xiji's specified secret material which is
aging treated twice for relieving the internal stress and reduce
base deformation. It ensures machine's stability in long
term.2. GW. spindle coated ceramic is double supported with
five segments, with high rigidity and barely wearing. Rolling
bearing structured spindle is also optional.3. RW. spindle
adopts dual-supporting structure with rolling bearings.4. Reg.
wheelhead is located in the right side of machine bed. Double
v-shaped needle steel guideway is used for feeding
motion.5. Reg. wheelhead is driven by servomotor and
transmitted via gear box and ball screw.6. GW. dresser is
mounted in the rear side of gri. wheelhead. Its feeding mechanism
whose guideway is double v needle type is driven by servo motor and
ball screw. And reciprocating motion is driven by reduction motor
(the driving method can be changed into servo motor as per
customer's request) and ball screw while its guideway is dovetail
type.7. RW. is driven by AC motor with a convertor to achieve
stepless adjustable speed.8. RW. dresser feeds manually while its
reciprocating is driven by reduction motor and ball screw. It
adopts dovetail type of guideway for the reciprocating motion.9.
Siemens, Fanuc, Mitsubishi are optional for control system
(PLC/CNC).10. The brand of other purchased parts (ball screw,
bearing, converter etc.) and the auxiliary equipments (balancing
system, fire extinguisher, mist collector, LOTO, magnetic
separator, electrical cabinet) can be customer-specified.11. It is
possible to connect with auto loading and unloading
system.Technical parameters:Workpiece diameter:30~150mmMax.
grinding length for jobs Thru-feed
490mm Plunge in490mmG.W.
specificationP600×500×305mmR.W. specificationP350×500×203mmG.W.
speed1100r/min (35m/s)R.W. speed (stepless) 10~290r/minR.W.
swiveling angle In vertical plane-2°~ +4°In horizontal
plane-1°~ +3°RW. dressing angle -2°~ +4°RW. dresser
displacement-5 ~20mmMain feeding amount min.0.001mmRW. displacement
in axial direction±10mmThe distance between the center lineof GW.
and RW. to the bottom of workrest 260mmDistance from center
line between GW. and RW. to ground1150mmGW. motor
power 30kwRW. motor power 3kwNet weight Approx.
10000kgMachining accuracy:(Standard testpiece φ30x200mm, 45#
steel)Roundness (thru-feed)0.002mmOD. consistency
(thru-feed)0.003mmRoughness (thru-feed)Ra0.32μm
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