Product name

Ultra-precision air-static pressure inner circular CNC grinder

Model

ZCS-QGM3050B 5

Patent of invention

① An inner or outer round ultra-precision grinder of pneumatic static metal parts, Patent No.2011102132

② A gas-floating guide rail suitable for ultra-precision detection or ultra-high precision processing equipment, Patent No.2015103008

③ An ultrasonic gas static piezoelectric spindle, Patent No.201911122

Trademark

ZCS

Scope of application

Grinding processing of inner hole, cone surface, end surface and multi-order inner hole

Processing of aperture range (mm)

2-100

Maximum loading length (mm)

300

Maximum grinding hole depth (mm)

150

Workpiece shaft and guide rail center height (mm)

210

Rowing angle of header (degree)

±10°

Working accuracy

Roundness (μm)

0.5

Cylindricity (μm)

2

Surface rough (Ra / μ m)

0.1

Workpiece electric spindle

The tation accuracy was <0.2um, axial head radial beating 0.3um, and axial movement 0.3um

 Electric spindle 1 # (optional)

High precision air static pressure, ultrasonic ac asynchronous electric spindle, speed range of 80,000 rpm, 1.5KW, frequency converter drive infinite speed regulation. The grinding wheel rod is clamped with Swiss high precision ER11 spring singlet.

 Electric spindle 2 # (optional)

High rigidity ultrasonic gas electrostatic voltage spindle, the highest speed of 40,000 rpm, 5.5KW, frequency converter drive infinite speed regulation. The grinding wheel connecting rod is connected with M141.5 external thread, and ER11 or M2 internal wire is connected with the grinding wheel.

 Electric spindle 3 # (optional)

High rigidity ultrasonic gas electrostatic voltage spindle, the highest speed of 24,000 rpm, 15KW, frequency converter drive infinite speed regulation. The grinding wheel connecting rod is connected with M201.5 external thread, and the grinding wheel and the nuts are pressed or glued with the connecting rod.

 Workpiece electric spindle

High precision gas static pressure permanent magnet synchronous electric spindle, 24 Nm, 3000 / 5000 rpm, 13A,7.5KW, built-in encoder, synchronous drive drive stepless speed regulation. Configure special fixture, can also install K125 precision three claw caruck.

Emery wheel dresser

Equipped specifically for diamond grinding wheel repair gas hydrostatic pressure electric spindle 1.5KW, 12000rpm.

Lead

rail

 X-axis gas-floating guide rail stiffness

Adopt ultra-precision air floating guide rail, with straightness of 1um / full travel.

 Z-axis gas-floating guide rail stiffness

Adopt ultra-precision air floating guide rail, with straightness of 1um / full travel.

X axle (mm)

X-axis rail length is 1000mm, maximum stroke is 500 and resolution is 0.1 μ m

Z axle (mm)

Z axis rail length is 750mm, maximum stroke 400 and resolution 0.1 μ m

 CNC feed system (μ m)

A new generation 21A precision CNC system was applied with a resolution of 0.1 μ m. Optional Siemens 828D system.

Linear motion actuator

The X / Z axis is driven by high precision linear motor.

Grating ruler

The X / Z axis adopts a Spanish grid grating ruler with a resolution of 0.1 μ m. Optional Hedham raster ruler.

 Online measurement (optional)

Middle figure wireless contact displacement sensor measuring head, field comprehensive repeated measurement accuracy ± 1um..5 An online pneumatic meter can also be selected.

 AE sensor (optional)

For grinding wheel grinding air elimination process, and collision prevention, can effectively improve the efficiency.

Y / Z axis positioning accuracy (μ m)

±2

Y / Z axis (μ m)

±1.5

Feed amount per cell of the handwheel (mm)

0.001

 Water-cooling unit cooling system

An independent water cooler is configured to cool the electric spindle and linear motor by cutting the liquid coil circulation, and the cooling capacity is 1.5KW.

 Workpiece cutting oil cooling and filtration system

Use independent water (oil) cooling mode, equipped with paper bag and magnetic filtration, and cooling coil filtration circulation water tank.

Water and oil mist collector

Independent water and oil mist collector to filter the water and oil mist air in the hood.

Lathe bed

The bed body and support plate are made of high quality natural granite.

Compressed air

The compressed air supply pressure range is 0.45-0.66Mpa, and the total gas consumption is 200L / min

External parameter

Operating pressure 0.45~0.8Mpa, power 380V, 50Hz, complete power 28KW

Overall size 280017002200 (including base and electrical box), net weight 3200 Kg