Bizator  /  Adverts  /  equipment and materials  /  industrial equipment  /  mechanical equipment

Cylindrical grinding machine universal 3У144.

Offer type: salePublished: 27.05.2019
Price:negotiated
Seller:Vasilij Pavlovich
Phones:
Show phone
Write a message
Address:Ukraine, Odessa oblast', Odesa
Machine universal cylindrical grinding semiautomatic model 3У144, 1981. V., manufacture of Lubny machine-tool plant. Connected to the work...
   Designed for external and internal grinding of cylindrical, tapered and end surfaces as well as flat flange surfaces of products in the conditions of single and small batch production.
           Technical characteristics of the machine 3У144:
Accuracy class according to GOST 8-82 P/V
Maximum diameter of workpieces is 400 m
Maximum length of workpiece, mm 2000
Max. diameter of grinding without rest, mm 400
Greatest grinding diameter in lunette, mm 80
Smallest diameter grinding when worn circle, mm 50
Maximum grinding length, mm 2000
The distance from the axis of the spindle headstock to a mirror-table - height of centers, mm 240
Maximum weight of workpiece, kg 200
Bed and tables of the machine
The largest longitudinal travel of table, mm 2000
Smallest travel of table between stops, 4 mm
Manual table movement per revolution of handwheel, mm 3,1; 20,5
The speed of movement of the table from the hydraulic system (B/s), m/min 0,07 4,5..
Maximum angle of the turn table top clockwise, degrees 2°
Maximum angle of rotation of the upper table in a counterclockwise direction, degrees 6°
The price of division of the scale turning the top of the table, ° '0°20'
The scale of the rotation of the upper table (obliquity), mm/m 10
Wheelhead
Diameter of grinding wheel - max. and min., 600 mm/ 450
The diameter of the grinding wheel landing, mm 305
The greatest height of the mounted round, 63 mm
The spindle speed wheelhead (circle = Ø525мм), rpm 1272
The spindle speed wheelhead (circle = Ø600мм), rpm 1112
The mechanism of cross-feed grinding wheel head
The greatest movement of the wheelhead on the screw, mm 290
The value of the rapid feed wheelhead from the hydraulic actuator, 50 mm
The time of rapid feed wheelhead, 2.5
The feed per revolution of handwheel, mm 0.5
The price of division of the limb the transverse jog, 0,005 mm
Periodic flow during reversal of the table (Jog feed), mm 0,0025 0,025..
The price of division of the limb thin jog, 0,001 mm
The magnitude of the cross movement of wheelhead per revolution of handwheel, mm 0.5
Speed quick installation move the wheelhead, mm/min 240
Fixture for internal grinding
The largest diameter of the workpiece mounted in the Chuck, mm 250
The largest working length of hole, mm 125
The diameter of grinded holes, mm 30 200..
Diameter of grinding wheel, mm 25 80..
Vnutricinovialnoe diameter of head, mm 100; 80
Rpm internal grinding spindle 1690
Headstock
The frequency of rotation of the product (infinitely variable regulation), rpm 30..300
Cone center according to GOST 13214-67 Morse 5
The greatest angle of rotation of the headstock, deg 90°
Tailstock
The amount of withdrawal of the tailstock quill by hand, mm 35
Cone center according to GOST 13214-67 Morse 5
Propulsion and electrical equipment of the machine
The number of motors on the machine 11
The motor spindle wheelhead, kW 7,5
Motor for moving the wheelhead, kWt 0,18
The internal grinding spindle motor, kW 1,1
The electric motor drive products, kW 0,75
The pump motor of the hydraulic system, kW 2.2
The pump motor lubrication system spindle, kW 0,27
The pump motor lubrication system of the guides of the table, kW 0,08
Motor pump cooling system, kW 0,15
The magnetic separator motor, kW 0,12
The fan motor of the hydraulic unit, kW 0,12
Motor filter conveyor, kW 0,12
Overall dimensions of machine (length x width x height), mm 6450 x 2585 x 1982
Weight of machine with electrics and cooling, kg 10000