R-4000CNC HD Siemens CNC-Controlled Cylindrical Grinding Machine

SPECIFICATIONS:

Maximum workpiece length:

4000 mm

(157.5”)

Maximum workpiece diameter:

680 mm

(26,7")

Maximum grinding diameter:

610 mm

(24”)

Maximum workpiece weight between centers:

800 kg

(1764 lbs)

Maximum workpiece weight between chucks:

2000 kg

(4409 lbs)

Power supply:

3 x 400 V,

50 cycles + 0 cable

Colour:

Blue RAL 5013

Graduation:

mm or inch

BED

One piece cast iron

Alignment by means of a number of adjusting screws

Guideways protected by telescopic guards

TABLE

Surface with 10° inclination

Guideways with antifriction coating

Rack and pinion gear for head- and tailstock movement

Movements performed by means of SKF 50 mm (1.97") ball screw with pre-loaded ball nut

Speed 5 to 4000 mm/min. (0.2" - 197")

HEADSTOCK

Rigid spindle with Ø 170 mm (6.7”) SKF NN-double row bearing

Movement performed by means of a Siemens 7.0 kW (9.5 HP) main spindle servo motor

for Simodrive digital converter system, range 5 - 500 r.p.m.

Direction CW and CCW.

Digital read-out of spindle r.p.m.

Hub prepared for fitting chuck

Morse Taper No. 6 hole in the spindle for centres

TAILSTOCK

Rotating spindle with Ø 170 mm (6.7”) SKF NN double row bearing

Hub prepared for fitting chuck

70 mm (2.7”) hydraulically operated quill, adjustable centre pressure

Side adjustment ±2 mm, controlled by a 40 mm (1.57”) dial gauge

Locking pin for non-rotation of spindle for working with centres

Morse Taper No. 6 hole in the spindle for dead or live centres

WHEELSLIDE

Guideways with antifriction coating

Guideways lubrication fed from a pump

Movement performed by means of 40 mm (1.57") SKF ballscrew with pre-loaded ball nut

with servo motor drive for Simodrive digital converter system

GRINDING WHEEL HEAD

Hardened spindle runs in the grinding wheel end in a tapered adjustable and hand scraped

sleeved bronze bearing of heavy duty design

At pulley end pre-loaded high precision angle contact bearings are used

The grinding spindle is driven by a 17 kW (23 HP) Simodrive digital spindle servo motor

GRINDING WHEEL GUARD

Grinding wheel guard for protection of the 813 mm (32") grinding wheel

with a max. width of 80 mm (3,15”)

GRINDING WHEEL HUB

A grinding wheel hub 12" (305 mm) dia. with clamping width 50 - 100 mm (1.96” - 4”)

3 pcs. adjustable balancing arbors

Rapid wheel change system

ELECTRICAL SYSTEM

Detached relay box

Cabinet for power supply 3 phase, 50 cycles

24 volt DC for control of circuits

Plug-in relays with thermal overload protection

Built-in ventilation for cooling of electrical equipment

Operation stop placed at both ends and at the centre of the machine

All electrical motors are IP54 protected

TOOLS

1 grinding wheel balancing arbor

1 puller for change of grinding wheel

1 set of tools, spanners.

1 lifting hook for grinding wheels

LITERATURE

1 AMC-SCHOU operating manual with spare part section

1 AMC-SCHOU packing list

CNC-CONTROL

3-axes Sinumeric 840D SL CNC-Control, X, Z and C-axes

Swivelling operator panel with a 26.5 cm (10.44") color display

2 electric hand wheels for X- and Z-axes

Simultaneous control of X, Z and C-axes

Back-up com port

SOFTWARE (AMC-SCHOU)

1 program for cylindrical/taper grinding

1 program for sine curve grinding (convex & concave)

1 program for radius grinding (convex & concave)

1 program for dressing

EUR