“ZCS-QMK50B3Valve seat inner and outer circular composite ultrasonic high-precision CNC grinder”Using air static pressure ultrasonic workpiece electric spindle, air static pressure8Wan Zhuan/High speed ultrasonic inner circular grinding wheel electric spindle, air static pressure ultrasonic outer circular grinding wheel electric spindle, natural marble bed body, automatic sorting loading and unloading mechanical arm device (optional), automatic tool setting system (optional), Taiwan's new generation bus type precision CNC system.It can achieve the grinding of the inner and outer circular end faces of the workpiece in one loading process.Make the whole machine achieve roundness0.3umCylindricity2um(Full range), surface roughness0.1Ra/μmThe machining accuracy. The specific technical parameters are as follows:

1、 Technical features:

This machine tool is suitable for grinding and grinding small taper holes, inner holes, inner step holes, outer circles, end faces, and other parts of valve seats.

1. Automotive industry: fuel injector componentsGrinding processing of the inner cone, middle hole, and seat surface of the valve seat.

2. Bearing industry: Grinding of inner and outer raceway of bearings.

3. Mold industry: grinding and grinding of guide sleeves, micro hole punch molds, wire drawing molds, and cold drawing molds for inner circles.

4. Sewing machine industry: Small hole grinding of various inner parts.

5. Spring chuck industry: PCB drilling high-speed chuck, molding machine high-speed chuck, walking machine precision chuck, CNC precision chuck.

6. Communication industry: Grinding of tiny inner holes in fiber optic coupling and fiber optic cable connection devices.

7. Hard alloy industry: Grinding of hard alloy sealing devices for petroleum and mining industries.

8. Hydraulic industry: Grinding of various precision oil pumps, oil valves, and sealing components.

The grinder adopts air static pressureultrasonicWorkpiece electric spindle, air static pressureultrasonicGrinding wheel electric spindle, all using“Nano carbon fiber materials”High precision air static pressure (air bearing) spindle with high rigidity, large load-bearing capacity, low air consumption, self-lubricating and never worn out. It has the characteristics of low-carbon, green and environmentally friendly, and never wears out.

The whole machine adoptsNew generation bus typePrecision CNC system,Realize two line and three rotation spindle control.Make the whole machine achieve roundness0.3um, cylindricity 2um (full stroke), smoothnessRa0.1um machining accuracy.

●Gas static pressure ultrasonicThe workpiece electric spindle adopts a permanent magnet synchronous motor, built-in encoder, and synchronous driver to achieve stepless speed regulation.The spindle is equipped with a precision diaphragm air pressure quick clamp, which is waterproof, dustproof, and has repeated clamping accuracy≤2umIt can achieve automatic card loading function of the robotic arm. The workpiece spindle has a central cooling hole, and the coolant enters the front end from the rear of the spindle and sprays out, resulting in excellent cooling effect.

●Air static pressureUltrasonic internal (external)The grinding wheel electric spindle adopts permanent magnet synchronous electric spindle,Implementing stepless speed regulation with synchronous drive driver.It can achieve the grinding of the inner and outer circular end faces of the workpiece in one loading process.

●The ultrasonic mechanism is built into the spindle,ultrasonicStop and Start、Frequency and amplitudeControl changesJust adjust the spindleofThe intake pressure can be achieved.Ultrasonic vibration processing,haveStrong grinding force and small cutting amount,Processing efficiencyhighImprove surface smoothness, extend the service life of grinding wheels, and reduce the risk of wheel sticking.

The feed of the grinding wheel frame and the movement of the worktable are both driven by precision cross ball guides and AC servo motors through high-precision ball screws.

● Automatic tool alignment system (optional), measures the starting position of the grinding wheel in contact with the workpiece, reduces idle time, and improves processing efficiency.

●Automatic sorting loading and unloading robotic arm device (optional), feeding using a funnel hopper slide to transport parts, with an outlet equipped with a workpiece direction recognition and adjustment mechanism, as well as a robotic arm for clamping and feeding parts; The cutting process uses a workpiece axis center fixture to pneumatically push out the parts from the fixture to the receiving tray for feeding.

The workpiece cooling adopts oil cooling method, and the oil filtration adopts precision oil filtration system with a filtration accuracy of less than 1um.

● Configure an independent compressed air freeze dryer(Optional)Independent electric spindle chiller unit(Optional).

● Machine toolThe bed adopts high-quality natural materialsMarbleHas organizational stability and a solid structure. Fully enclosed outer cover, with a skylight hole reserved at the top of the hood, and can also be equipped with a rack mounted loading and unloading robot arm.

The grinder is equipped with pressure sensors at the inlet of the air and water circuits, which have fault alarm protection functions such as overcurrent, overload, air pressure below the lower limit, and cooling water cut-off. And it has communication function with the upper computer (RS-485).

2、 Main Technical Parameters Table of the Whole Machine

3、 Installation requirements for use

1Operator requirements: This machine tool is a high-precision CNC grinder, and the operator is required to have basic skills in operating CNC grinders. They must receive training from Party B and master safety operating procedures before they can use it.

2Installation and environmental requirements: The power supply voltage fluctuates within±10%Internally, the working temperature is generally required to be installed in a constant temperature room（20℃±1℃）Internal useThe humidity is less than75%, installation should be away from the seismic source. If conditions permit, isolation trenches can be made. The horizontal placement of the equipment should be less than 0.02mm, and adjustable shims can be used to adjust the level.

3The compressed air source requires three-stage filtration. This machine tool is equipped with a precision three-stage filter, but the supply air source needs to be processed by a dryer, requiring a pressure of0.5-0.7MPa range, moisture content less than 90%, oil content less than 90%, temperature 17-19 ℃, impurity content less than 1um.

4. The spindle cooling water requires constant temperature, with a temperature range of 17-19 ℃, a flow rate of 2L/min, and a pressure of 2-3kg/cm ².

4、 Outline drawing of machine tool