Automatic Tool & Cutter Grinder ZD-X20

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Q1: What kinds of cutting tools can the ZD-X20 automatic grinding machine sharpen?

A1: This CNC servo-driven grinder is used to regrind tungsten steel, cemented carbide and high-speed steel tools. Applicable tools include flat milling cutters, ball milling cutters, round nose milling cutters, drills, chamfering cutters, centering drills and corn milling cutters. It supports flat milling cutters with 2/3/4/5/6 flutes.

Q2: What is the spindle speed of the ZD-X20 tool grinder?

A2: The standard spindle rotation speed is 3000rpm.

Q3: What specifications of grinding wheels are matched with the machine?

A3: Standard grinding wheel sizes: Aø124×11, Bø124×11, Cø124×10, Dø124×5.50. All matched wheels are electroplated grinding wheels with high precision, sharp cutting performance and long service life.

Q4: What safety precautions should be followed before operating the machine?

A4: 1. Place the machine on a flat and solid ground and lock all casters; keep the equipment away from children, flammable and explosive gas environments and vibration-prone floors.

2. The machine cannot start if the equipment door is not fully closed. Do not open the door to observe during operation to avoid injury.

3. Do not install or remove tools, grinding wheels or wheel covers when the grinding wheel is still rotating.

4. Only use the original power cord equipped with the machine, and ensure reliable grounding at the grounding terminal on the lower rear of the machine to prevent electric leakage.

5. After work, cut off the power and unplug the power plug; never touch the grinding wheel to test rotation before it completely stops.

Q5: What power supply does the ZD-X20 machine require?

A5: The required input power is 200V-240V, 50Hz. Good grounding connection is mandatory.

Q6: How to correctly clamp cutting tools? What are the clamping length standards?

A6: 1. The machine is equipped with an ER32 elastic chuck as standard. The distance from the tool tip to the chuck cover must be kept at 25-35mm.

2. Minimum & maximum clamping length for different tools:

Flat milling cutter / Corn milling cutter: 20mm ~ 60mm
Round nose milling cutter: 25mm ~ 60mm
Ball milling cutter: 30mm ~ 60mm
Drill bit / Chamfer cutter / Centering drill: 35-45mm ~ 60mm

3.Fix the tool with the matching crescent wrench and open-end wrench. Remove both wrenches and place them outside the machine door before starting grinding.

Q7: How to select tool types and set grinding parameters on the touch screen?

A7: 1. Enter the Processing Interface, click the "Tool Type" input box to pop up the standard tool selection window.

2. Select the corresponding tool model (PD flat mill, YB ball mill, QD round nose mill, ZT drill, DJ chamfer cutter, DX centering drill, YM corn mill), flute quantity and tool diameter.

3. Click "Custom Parameters" to adjust relief angle, anterior angle, blade slot dip angle, X/Y axis compensation and flat grinding allowance. Custom parameters can be saved for one-click recall in subsequent use.

4. Save the settings, close the machine door and press the Start button to start automatic grinding.

Q8: What is the function of the Manual Test page?

A8: Enter the Manual Test interface to realize the following operations: manual control of X/Y/Z/A axis movement, adjustment of moving speed, axis zero return test, water pump switch control, spindle co-rotation test and one-click chip cleaning.

Q9: How to deal with abnormal situations during grinding?

A9: 1. Minor abnormalities: Press the Pause button to stop the machine, troubleshoot the problem, then press Start to resume processing.

2. Emergency hazards: Press the Emergency Stop switch. After eliminating faults, rotate the emergency stop knob clockwise to reset, then press Start to restart the machine.

Q10: Can I restore the factory default parameters?

A10: Yes. Enter the User Parameters page and click "Restore factory parameters". All modified grinding and machine parameters will return to the factory original settings.

Q11: What parts need to be replaced when grinding 5-flute and 6-flute flat milling cutters?

A11: Remove the original grinding wheel C and wheel washer 2, replace them with wheel washer 3, and install grinding wheel D in sequence. After replacement, enter the Machine Parameters page to adjust the Y-axis front angle, rear angle and slot compensation parameters. It is recommended to take photos of original data for backup before adjustment.

Q12: What standard accessories are delivered with the ZD-X20 machine?

A12: Standard accessories: 2 cabinet door keys, 1 short probe, 1 tool setting block, 1 grinding wheel washer 3, ER32 elastic chuck set, matching wrenches and 1 bottle of high-concentration grinding fluid. Optional spare parts: ER16 extension chuck rod, high-precision tool setting assembly.

Q13: What regular maintenance work needs to be done for the grinder?

A13 :1. Daily inspection: Check the grinding fluid volume and replenish liquid in time when insufficient.

2. Monthly maintenance: Clean the drain outlet of the chip box and sludge at the bottom of the grinding fluid tank with a hard brush and small iron shovel. Do not use organic solvents for cleaning to avoid short circuits and rust.

3. After each grinding wheel replacement: Calibrate Y-axis compensation parameters to guarantee grinding precision.

Q14: The machine cannot start or the leakage protection switch trips

A14: 1. Check whether the power cord is loose, damaged or the socket is faulty; replace damaged wires or plugs.

2. Reset the leakage protection switch at the rear of the machine.

3. Confirm the machine door is completely closed (the safety interlock system prohibits startup with an open door).

Q15: No grinding fluid flows out during sharpening

A15: 1. Insufficient grinding fluid: Add mixed coolant to reach the standard 8-10L volume.

2. Blocked chip box drain: Clean metal debris monthly to prevent the water pump from running dry without liquid.

3. Water pump is closed: Turn on the pump switch on the Manual Test page.

Q16: The grinding finish of cutting tools is poor

A16: 1. Adjust the tool wear amount parameter on the Processing Interface to increase the front surface grinding allowance.

2. Re-clamp the tool and ensure the extension length of 25-35mm.

3. Check the wear condition of the grinding wheel; replace with a new electroplated wheel if the abrasive surface is worn out.

Q17: X/Y/Z/A axis alarm appears on the screen

A17: 1. Restart the machine power to reset the axis system first.

2. Check if chips or tools block the axis moving track.

3. If the alarm persists after restart, contact after-sales service to inspect the servo motor and driver.

Q18: How long is the warranty period of the ZD-X20 tool grinder?

A18: We provide a 1-year free warranty counted from the purchase date. Free repair service is available for non-artificial damage faults in accordance with the three guarantees policy. Please keep the warranty card properly, which must be submitted when applying for after-sales service.

Q19: Can you supply spare parts and grinding wheels separately for overseas customers?

A19: Yes. We can supply all matching spare parts independently, including grinding wheels, ER chucks, probes, wrenches, grinding fluid, wheel washers and servo components. We support global spare parts delivery.