YHM77110 High-precision Vertical Double-sided Grinding (polishing) Machine
Category: Product Center
Keywords: Yuhuan
Typical Machined Parts
Valve
Mobile Phone Glass
Sapphire
Equipment Highlights
● The machine tool adopts gantry structure, with good stability and strong rigidity, and the maximum polishing pressure is 1200kgf.
● Double oil cylinder pressurization, pressure sensor feedback, electro-hydraulic proportional valve to precisely control the pressure.
● The 4 speeds of sun gear, inner gear, upper plate and lower plate are independently set.
● The upper and lower plates have built-in constant temperature design structure.
Technical Parameter
|
Project |
Unit |
Parameter |
|
Upper Grinding Disc Size (outer Diameter X Inner Diameter X Thickness) |
mm |
Φ1070xΦ495xΦ45 |
|
Lower Grinding Disc Size (outer Diameter X Inner Diameter X Thickness) |
mm |
Φ1070xΦ495xΦ45 |
|
Pin tooth planetary gear |
mm |
7; outer diameter Φ327.5, number of teeth 64 |
|
Minimum thickness of workpiece |
mm |
0.8 |
|
Maximum size of workpiece |
mm |
Φ280 (diagonal length) |
|
Workpiece accuracy |
mm |
The flatness and parallelism of a single piece are within 0.006, and the dimensional accuracy of the thickness of the entire workpiece is within 0.008 (Test workpiece size Φ50) |
|
Surface roughness of workpiece |
μm |
Grinding Ra0.15 / Polishing Ra0.05 |
|
Lower disc speed |
rpm |
10-80 (stepless speed regulation) |
|
Upper plate speed |
rpm |
8-50 (stepless speed regulation) |
|
Lower plate motor |
kw/rpm |
15kW/rated speed 1440rpm |
|
Upper plate motor |
kw/rpm |
11kW, rated speed 1440rpm |
|
Dimensions (about: length x width x height) |
mm |
2500x2000x3000 |
|
Equipment quality |
kg |
9000 |
Related Products