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:
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