used High Accuracy Surface Grinding Machine BLOHM

manufacturer: BLOHM
type: PLANOMAT 608
built: 2001
EXW Kleinostheim

Offer Data

working area:
grinding length 800 mm
grinding width 600 mm
max. distance table to spindle center 700 mm
max. table load 800 kg
X-axis - table longitudinal motion:  
table clamping area with additional space 1.200 x 600 mm
table travel longitudinal max. 900 mm
table speed 30-3.000 / 300 - 30.000 mm/min
steplesslyl variable
grinding travel adjustment by soft key on control panel
guideways pretensioned roller guides
table drive Servo-Motor with ball screw drive
manual table adjustment via joystick on the control panel
measuring system 0,001 mm rotatory
Y-axis - vertical adjustment of the grinding wheel:
max. distance table to spindle center 700 mm
rapid traverse 3.750 mm/min
guideways pretensioned roller guides
axis drive Servo motor with ball screw drive
measuring system 0,001 mm rotational
Z-axis - transverse adjustment of grinding wheel:
automatic cross travel max. 560 mm
transverse movement automatically 40-4.000 mm/min stepless
  optionally intermittent or continuous
rapid traverse 4.000 mm/min
guideways pretensioned roller guides
axis drive servo motor with ball screw drive
measuring system 0,001 mm rotational
grinding spindle:
spindle speed max. 3.400 1/min
input power 15 kW
three-phase motor with frequency converter  
max. dimensions of grinding wheel (DAxB) 400 x 80 mm
bore grinding wheel 127 mm
constant peripheral speed 35 m/sec
max. peripheral speed 45 m/sec unlockable via key switch
dressing unit pneumatically hinged, mounted on the left side next to the magnetic clamping plate dressing amount is automatically compensated
space required including coolant system, weight:
Length x width x height 4,6 x 4,2 x 2,45 m
weight ca. 4.900 kg
electrical connection:
connection power 19 kVA
operating voltage 400 V
power frequency 50 Hz
BLOHM grinding control ERGOMATIC:

Movable setup console in the middle of the machine:
Electronic handwheels for conventional operation of the machine for axes Y and Z.
Joy stick for the axes X and Z.
Feed control per axis via potentiometer, also active during program run.

Control panel on support arm on the right side of the machine:
LC display, visible area 121 x 103 mm, with backlight
Membrane keyboard with short-stroke keys for acknowledging recommended default values or for entry of freely selectable parameters with the following functions:
- Loading position X and Z axis
- Set or change reversing points during the program
- Set zero points for Y and Z axis
- Set safety position
- Set grinding wheel data
- Select dressing function
Softkey for preselection measuring system metric / inch
Info button for help texts and service instructions
Display for operating hours and maintenance intervals

Fixed programs for workshop-related, operator-friendly handling:
- Reciprocating loops with automatic Y-feed
- Longitudinal, circumferential and surface grinding with intermittent or continuous crossfeed
and automatic Y positioning
- Grinding wheel adjustment with handwheel or automatic
- ECO loops with automatic Y positioning:
1st layer: plunge grinding "roughing"
2nd layer: Surface grinding "finishing"
3rd layer: surface grinding "fine finishing"
Automatic Y positioning: 3 layers with dressing, 10 parameter sets for 10 delivery programs storable, allowance or finished dimension grinding preselectable.

Dressing programs:
- Straight dressing from the table with compensation by single diamond, foldable dressing unit.
- face dressing with single diamond or foldable dressing unit.
- Dressing with compensation by automatic straightening device.
- Deep dressing with compensation by PEA-T100.

coolant cleaning equipment:
Coolant system with belt filter (tank capacity 1,400 l) consisting of:
Belt filter with a cleaning surface of 2.25 m² for a flow rate of 250 l / min
Supply pump 200 l / min, 4 bar
Additional pump for water trough flushing and rinsing gun
Cooling unit for coolant emulsion with max. 5% grinding concentrate
Power 4.9 kW (4,200 kcal / h), refrigerant CFC-free
equipment / accessories:
- Basic machine with work enclosure closed at the top
- Spindle drive 15 kW, frequency controlled
- Manual balancing device MPM incl. Vibration sensor and speed sensor
- Belt filter coolant cleaning system Tank capacity 1,400 liters
- Pneumatically folding dressing unit
- Electro-permanent magnetic clamping plate 800 x 600 mm, transverse pole pitch 4 mm, with 8-fold adhesion control
- 2 pieces of grinding wheel flanges
- 1 pc. balancing mandrel
- Machine documentation incl. CE conformity declaration
- Finish: RAL 5009 azure / RAL 9002 gray white
- Grinding spindle insert renewed 02-2016