YHM77110 High-precision Vertical Double-sided Grinding (polishing) Machine
Main Function:
This machine is used for double-sided grinding and polishing of metal parts such as valve plates and friction plates, as well as thin parts made of non-metallic hard and brittle materials such as sapphire and ceramics.
Category: Product Center
Keywords: Yuhuan
Typical Machined Parts
Valve
Sapphire
Mobile Phone Glass
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 |