1. Define Requirements First, Then ChooseEquipment
Material: For aluminum/copper, choosestandard configurations; for steel/titanium alloys, heavy-duty structures (hard
rail + high torque spindle) are required.
Accuracy:±0.01mmstandard accuracy can use medium-speed machines; ±0.005mmand above require high-speed machines and a temperature-controlled environment.
Size: Select the worktable based on themaximum workpiece dimensions, leaving room for clamping.
Batch Size:For small-batch, high-varietyproduction, prioritize flexible tool changing; for mass production, prioritize
stability and compatibility with automation.
2. Three Core Performance Aspects**
Spindle:
High-Speed Machine (12,000-24,000 RPM):Suitable for light, soft materials like aluminum and copper.
Heavy-Duty Cutting Machine (6,000-10,000RPM):Suitable for hard materials like steel and stainless steel.
Key Point: Prioritize reliable brands(e.g., German HSK, Japanese NSK).
Guideways:
Hard Rail (Sliding Guideways): Highrigidity, withstands heavy-duty cutting, but slower speed and more complex
maintenance.
Linear Rail (Rolling Guideways): Highspeed, high precision, suitable for high-speed precision machining, but lower
load capacity.
Compromise: Hard rail + linear rail hybridstructure (higher cost).
CNC System:
Imported Brands (Fanuc, Siemens): Highstability, mature operator interface, but advanced functionalities may be
restricted.
Domestic Brands: High cost-effectiveness,significant progress in complex areas like 5-axis machining, strong
adaptability.
3. Brand & Service: Value LocalizedResponsiveness
International Brands:Cutting-edgetechnology, suitable for high-end precision machining, but high price and long
lead times for spare parts.
Domestic Brands:Outstandingcost-effectiveness, fast after-sales response (typically within 48 hours),
convenient spare parts supply.
4. Calculate Total Cost (Lifecycle Cost)
Hidden costs include: Energy consumptioncosts, maintenance costs, opportunity costs due to inefficiency.
Calculation Method: Allocate the equipmentpurchase price, 5-year maintenance costs, energy costs, and labor costs to the
per-part processing cost for a comprehensive comparison.
Conclusion: There is no "best,"only the "most suitable."
Choosing a machining center is a"battle of requirement matching." The core logic is: Clearly define
your own machining needs → Focus intently on the threekey components (spindle, guideways, CNC system) →Calculate the total lifecycle cost → Combine brandservice capabilities with test cutting verification →Select the most suitable "mainstay equipment."