Side-by-side comparison
| Decision factor | YMK-I ATC | YMK-IV four spindle |
|---|---|---|
| Tool availability | Automatic tool-changing architecture | Four independent prepared spindles |
| Best fit | Higher product and tool variety | Repeatable programs using a stable tool set |
| Change mechanism | Tool magazine and changer | Program selects the required spindle |
| Complexity to verify | Magazine capacity, holders, change time and post-processor | Spindle powers, tool assignments and clearances |
| Published catalog data | Complete table not supplied | Complete table not supplied |
How to choose
Count real toolsList every cutter used across representative jobs.
Review change frequencyMeasure how often the program changes tools or operations.
Test the workflowUse a real nested sheet and complete part program.
Questions for both quotations
- What is the usable working area and Z clearance?
- Which spindle powers and speeds are included?
- What vacuum table and pump configuration is supplied?
- Which controller, drives and post-processor are supported?
- What tools, holders, collets and dust hood are included?
- What is the verified cycle on our representative panel?
Compare YMK-I and YMK-IV on the same workpiece
Send panel size, material, required operations, target output, voltage and destination country.
ATC and four-spindle CNC comparison questions
Is an ATC CNC router always faster?
No. It is more flexible, but tool changes take time. A four-spindle machine may be quicker on a stable program that uses its prepared tools.
Can four spindles replace an automatic tool changer?
They can when four tools cover the full production mix. They become restrictive when jobs need more cutters or tool assignments change frequently.
Which machine is easier to maintain?
A four-spindle layout avoids a separate tool magazine and changer, but it has multiple spindle units. Maintenance depends on the exact components, dust conditions and service plan.
How should the two machines be tested fairly?
Use the same material, nesting file, tools, vacuum setup and operator method. Time the complete cycle and inspect the same dimensions and edge quality.
Reviewed by the Yongmao product team on 22 October 2026. Confirm the current machine configuration in the quotation before ordering.