Jingjia Electromechanical Equipment (Shanghai) Co., Ltd
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MM7120A precision horizontal axis rectangular table surface grinder
MM7120A precision horizontal axis rectangular table surface grinder
Product details
MM7120A precision horizontal axis rectangular table surface grinder

This machine tool mainly uses the periphery of the grinding wheel to grind the flat surface of the workpiece, and can also use the end face of the grinding wheel to grind the groove and flange side of the workpiece, with high grinding accuracy and smoothness. Suitable for grinding various precision parts and molds, it can be used for precision machining in mechanical processing workshops, machine repair workshops, and tool workshops.

Machine tools have the following characteristics:

*The machine tool adopts a cross drag plate mobile type, with small thermal deformation.

*The longitudinal movement of the workbench is driven by a variable variable direction vane pump and adopts a closed hydraulic system, which ensures smooth movement, low noise, and low oil pool temperature rise.

*The transverse guide rail of the trailer adopts roller guide rail, and the feed is controlled by an AC variable frequency motor with stepless speed regulation, which can achieve fine intermittent and continuous feed.

*The grinding head spindle bearing adopts a small hole throttling chamber return oil static pressure bearing, which has high rotation accuracy and long service life.

Main specifications and parameters


Model number

MM7120A

worker

rise

tower

Workbench area (width x length)

mm

200×630

Maximum grinding size (width x length x height)

mm

200×630×320

Maximum vertical travel of workbench (maximum)

mm

750

Vertical movement speed of workbench (stepless)

m/min

2-20

Maximum lateral travel of workbench trailer

mm

220

Horizontal feed rate of workbench Continuous (stepless speed regulation)

mm/min

20-1000

Intermittent (stepless speed regulation)

mm

0.2-10/Vertical single stroke

The number of T-shaped slots on the workbench multiplied by the width

mm

1×14

Workbench carrying capacity

kg

104

rub

head

Distance from the center of the grinding wheel shaft to the worktable (maximum)

mm

445

Rapid lifting speed of grinding head

mm/min

450

Wheel shaft speed

r/min

1500/3000

Minimum scale value of vertical dial

mm

0.01

Vertical micro feed

mm

0.002

Grinding wheel size (outer diameter x width x inner diameter)

mm

Φ250×25×Φ75

Motor Power

total power

kw

5 .19/ 5.79

Grinding head motor power

kw

2.4/3

working accuracy

Parallelism of the machined surface to the base surface

mm

300:0.003

Surface roughness

µm

Ra 0.16

Machine weight

net weight

kg

2300

gross weight

kg

3000

Dimensions (length x width x height)

mm

1900×1205×1750

Packaging box dimensions (length x width x height)

mm

2750×1780×2450


attachment


Random attachments
Electromagnetic suction cup

1 piece

Grinding wheel chuck connected to grinding wheel

2 sets

Grinding wheel balance shaft

1 payment

Grinding wheel balance frame

1 piece

Grinding wheel dresser (without diamond)

1 set

balance weight

5 pieces

Special attachments (priced separately)
Diamond grinding wheel cutter

1 unit

Sine flat pliers (ZPQ-100)

1 piece


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