Stone CNC Router Buying Tips:stone cnc router
1.Water-cooling spindle vs air-cooling spindle
A. Service time
Change the water frequently or a industrial water cooling device is needed by water-cooling spindle. In this way, its service time is longer than an air-cooling spindle. Otherwise shorter than an air-cooling spindle.
Water-cooling spindle is higher precision, axial and radial jump are both under 0.003mm. But a domestic air-cooling spindle falls far behind, unless an imported air-cooling spindle is used like Italy HSD air-cooling spindle.
C. Heat dissipation
Water-cooling spindle depends on water circulation to cool the heat generated by spindle high speed rotating with a good effect, because through water flow the temperature won't exceed 40 degree. Air-cooling spindle use a fan for heat dissipation,and its effect is far from water-cooling.
Water-cooling spindle is quiet while working, but air-cooling spindle is noisy.
2. Which is better, ball screw or rack and pinion drive?
The short answer is that both are good for different applications. Each has its pluses and minuses:
A .Price: ball screw is typically less expensive, even in multiple start systems.
B. Maximum travel
Rack pinion is required for longer axes. The main reason for this is that screw-driven systems are susceptible to [screw whip", which is an off-axis motion that worsens the faster a screw rotates.
both of these resolutions are more than adequate for large format cutting, and inaccuracies at Other points in the system (such as screw lead error and backlash) make these differences more or less irrelevant.
There is an appreciable difference in speed between the systems due to gearing. The rack pinion is geared more aggressively to better utilize the low-end torque of stepper motors, and is also more mechanically efficient than ball screw systems. Because of this, it is capable of much higher top speeds than even multi-start ball screw. That being said, for shorter travels, this higher speed is rarely realized, as there is insufficient room to accelerate to these speeds, so in this case, ball screw can be a good and economical choice.
E. Other Considerations
Rack pinion do have a moving motor, and hence require more cable management than an ball screw axis, which typically can have at least one stationary motor. Another consideration is that it is difficult (albeit not impossible) to do a center mount rack pinion, so most rack pinion systems are dual drive on the long axis. Lastly, for z axes, rack pinion is not really appropriate, as it can be easily back-driven when the power is off, and can cause the axis to fall in an uncontrolled fashion. This can be controlled with a gas spring or other apparatus, but the cost and complexity is rarely worth it.
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CNC Router-full 12 months back to base warranty on the router cnc and relevant manufacturers warranty on 3rd party add ons. This covers electrical and mechanical parts under 'normal use'.
•Guarantee one year (except for consumable parts)
•Whole lifetime free service
•Technical support online or remote control
•Free tutorial and training courses (in video or in factory)
•Spare parts discount
Q1:How long is the delivery time of Stone Engraving Cnc Router?
For standard machines, it would be 7-15 working days after receiving deposit;
For non-standard machines and customized machines according to client's specific requirements,it would be 15 to 30 days.
Q2: What mode of payment for Stone engraving cnc router?
T/T, 50% deposit and the balance 50% should be paid before shipment.
Now trade assurance is also very popular.
Q3: If some problems happened to Stone engraving cnc router during warranty period, what should i do?
We will supply free parts in machine warranty period if machine have some problem(man-made ones not included). While we also supply free after-service forever,so any doubts, just let us know,we will give you solutions in 30 minutes.
Q4: Is your machine operation teaching for free?
We have free English install instruction book. And we can teach how to operate Stone engraving cnc router for free.
Q5: If it is the first time I buy Stone engraving cnc router in other countries, could you sendthe machines directly to my home or office?
Yes, we can contact the relates company to handle these things. But the you should pay the charges
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