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Beier Machine Tool Works Co., Ltd.

Grinding Machine, External Grinding Machine, Grinding Machinery manufacturer / supplier in China, offering 320 Series High Precision Semi-Automatic Cylindrical Grinder (MGB1332E), 200 Series Universal Cylindrical Grinding Machine (M1420E), 200 Series High Precision Semi-Automatic Universal Cylindrical Grinder (MGB1420E) and so on.

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Supplier Homepage Product Conventional Cylindrical Grinder 320E Series 320 Series High Precision Semi-Automatic Cylindrical Grinder (MGB1332E)

320 Series High Precision Semi-Automatic Cylindrical Grinder (MGB1332E)

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Tianjin, China
Production Capacity: 1000 Sets/Year
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: MGB1332E
  • Processing Object: Shaft
  • Automatic Grade: Semiautomatic
  • Certification: SGS, CE, ISO 9001
  • Max. Grinding Diameter: 320mm
  • Trademark: BEIER
  • Specification: 500, 750, 1000mm
  • HS Code: 8460291000
  • Type: Both External and Internal Grinding
  • Controlling Mode: PLC
  • Precision: High Precision
  • Condition: New
  • Max. Grinding Length: 500mm, 750mm, 1000mm
  • Transport Package: Export Wooden Case
  • Origin: Beijing
Product Description
MGB1332E
High Precision Semi-auto Cylindrical Grinding Machine

 
Max. Grinding Diameter: Φ 320mm
Max. Grinding Length: 500/750/1000mm

Application of the Machine
Application .
The machine is used for the external surface grinding of cylindrical and conical workpieces.
Scope of application
The machine is suitable for the high precision grinding of batched shafts and sleeves, etc. It's widely used in the industry of automobile, engines, glibs and pumps, compressor, electron, tools, etc. machining of small-lot shafts and sleeve parts in the machining workshop, tool workshop, overhaul workshop, etc.
The machine is used for mirror grinding.
Operation mode 
 Manual operation: longitudinal grinding, plunge-cutting grinding.

Fixed-distance semi-automatic grinding cycle: longitudinal & plunge-cutting grinding cycle.

Automatic gauge controlling semi-automatic grinding cycle: longitudinal & plunge-cutting grinding cycle.
  
 Features of Structure and Performance
The hydraulic driving system adopts screw pump, so the machine can run smoothly with low noise.
The wheel head uses sleeve-type hydrodynamic bearing, gaining the features of high rotation precision and rigidity.
The feeding guideway uses plastic-coated guideway, improving the stability and vibration resistance in low-speed running.
The machine has the following features: high machining accuracy, rational overall layout, attractive appearance, centralized and visualized operating handles, and simple and safe operation.
The semi-automatic machines, whose cutting grinding and longitudinal grinding can be controlled by the sizematic system or automatic gauge, are suitable for processing small-lot or batched parts. All the grinding functions and movement sequences in the machining cycle are controlled by PLC (Programmable Logic Controller).
 
 Specifications

Item

Unit
MGB1332E
5007501000
Basic Parameters
Center heightmm180
Distance between centersmm5207651080
Max. swiveling diametermmΦ350
External grinding rangemmΦ5-Φ320
Max. weight between centersKg50
Max. loading on chuckKg30
Worktable

Max. swing angle
Counter-clockwise°987
Clockwise°983
Range of hydraulic moving speedm/min0.01-3
Travel of worktable per revolutionmm10
Wheel head

Max. swing angle
Counter-clockwise°3
Clockwise°3
Overtravel movementmm150
Manual feed travelmm70
Rapid hydraulic travelmm35

Transverse feeding
Travel per revolutionmm1
Micro feeding amountmm0.001
() Rough feeding speed (stepless)mm/min0.08-1
() Fine feeding speedmm/min0.06-0.5
Depth of automatic feedmm0.45

Automatic feed in ends
Rough feedmm0.002-0.02
Fine feedmm0.001-0.1
Grinding wheel

External grinding
Max. diameter of wheelmm400
Min diameter of wheelmm280
Width of wheelmm32-50
Inner diameter of wheelmm203
Max. linear speedm/s35
Headstock
Rotation peed of spindler/min30-300
()Max. swing angle (Counter-clockwise)°90
Spindle taper-MT4
Tailstock
Retraction of sleevemm25
Taper of center-MT4
Hydraulic system
Flow of pumpL/min14
System working pressureMpa0.8-1
Capacity of oil tankL140170200
Coolant system
Flow of oil pumpL/min22
Capacity of coolant tankL130
Motors

External grinding motor
PowerkW3
Rotation speedr/min1500

Headstock motor
PowerkW0.75
Rotation speedr/min1000

Oil pump motor
PowerkW1.1
Rotation speedr/min1500

Coolant motor
PowerkW0.125
Rotation speedr/min3000
Others
Net weightKg202024203000
Gross weightKg273031303500

Packing dimension
mm2690×2000×2050
2810×2000×2050
3950×2150×2280
       
 
 
Working Accuracy

No.

Inspection content

Sketch of test-piece and machining condition

Inspection Item

Unit
MGB1332E
×500×750×1000
M1
Grinding accuracy of test-piece between centers
 L=150
d=50

Roundness
mm0.0005
L=200
d=60
L=350
d=35

Consistency of the diameter in longitudinal section
mm0.003--
L=750
d=75
--0.005
-RoughnessμmRa≤0.01
*M2
Grinding accuracy of short test-piece fixed on the chuck
 L=30
d=60
Roundnessmm0.002
RoughnessμmRa≤0.04
M3
Accuracy of testpiece by plunge-cutting
 L=30
d=25

Consistency of diameter of batched parts after grinding
mmSizematic grinding
0.01/20pc
L=30
d=40
In-process gauge grinding
0.004/20pc
Note: M2 is just for the work head with a rotatable spindle (live work head).
 
Standard Accessories Supplied with the Machine

No.

Name

Picture
Specification
Quantity
  1.  

Coolant tank
 22-LT0051 set
  1.  

Filter
 M00.3A81-6021 pc
  1.  
Wheel dresser JT0401 set
  1.  
+
Grinding wheel and flange
 P400×(32-50) ×203 WA(80-100)K1 set
  1.  
Balancing stand for grinding wheel JT066C1 pc
  1.  
Balancing mandrel B-JT0671 pc
  1.  

Leveling wedge
 JT0656 pcs
(Grinding length 500mm)
7 pcs
(Grinding length 750mm)
8 pcs
(Grinding length 1000mm)
  1.  

Centers
 D1242pcs
  1.  

Dog
 3#B2S01-11 pc
4#B2S01-11 pc
  1.  

Single head spanner
 28-32/S93-11 pc
  1.  
Wheel unloading nut 310/M00.3A41 pc
  1.  
Polyurethane wedge belt J×620×82 pcs
One piece on the machine
J×640×81 pc

on the machine
L×1024×6/
L×1050×6/
L×1114×6/
L×1180×6
1 pc
,on the machine and belt is up to the motors
  1.  

Base plate
 M0T.8K1 pc
  1.  

Pusher dog
 110/MG0.2A1 pc
 
Optional Accessories
No.
Name

Picture
Specification
1
In-process automatic gauge
 E9/CV4/U1000
2Open steady rest Φ5-Φ50mm/JT023
3
Diamond pen
 -
4
Magnetic coolant separator
 CF25A
 
 
 Quick-wear Parts
No.
Name

Specification & Code

Installation position
  1.  

Grinding wheel
P400×(32-50) ×203 WA(60-80)K
Wheel head
  1.  

Filter
M00.3A81-602
Work head
  1.  

Pusher dog
110/MG0.2A
Work head
  1.  
Polyurethane wedge beltJ×620×8
Work head
  1.  
Polyurethane wedge beltJ×640×8
Work head
  1.  
Polyurethane wedge beltL×1024×6/
L×1050×6/
L×1114×6/
L×1180×6

Wheel head
 
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