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By ForeverGreen

January 15, 2025, 12:43 pm

Using Circle/Ramp

I have a few questions regarding the Circle/Ramp option.  

1) Ramp Plunging vs Ramp Milling...is the only difference that it populates RPM/Feed vs PlungeRPM / Plunge Feed??

2) Let's say I have a .500" endmill, and I'm ramping a 1.0 hole, with no pilot hole.  Would I choose Circle/Ramp, AND Slot/Pocket?

Thanks!!

Answers:
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Eldar Gerfanov (Admin)

January 27, 2025, 1:50 pm

Hello,

Apologies for the delay in responding. Let me address your questions:

  1. Ramp Plunging vs. Ramp Milling
    While they may appear similar, there are key differences in how the two modes handle speeds, feeds, and advanced cutting parameters:

    • Plunge Ramping:
      This mode is used when the ramping motion is primarily to reach the cutting depth. Speeds and feeds are calculated for plunging only, and advanced controls like Tool Deflection and Torque limits are not applied since the ramping is not the primary cutting operation.

    • Plunge Milling:
      Here, the ramping motion is the main cutting operation. It calculates speeds and feeds with advanced controls, including Deflection and Torque limits. Depending on the situation, this can result in either slightly faster or slower performance compared to Plunge Ramping.

  2. Circle/Ramp and Slot/Pocket Selection
    For your specific scenario (ramping a 1.0" hole with a 0.500" endmill and no pilot hole), you would choose Circle/Ramp for defining the ramping motion into the material. However, if the operation also includes material removal beyond the ramping (e.g., clearing out the hole), you might need to pair it with Slot/Pocket to account for that as part of the overall toolpath strategy.

I hope this clarifies the differences and helps with your application. Let me know if you have further questions.

Best regards.

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ForeverGreen

January 28, 2025, 12:14 pm

Ok, so maybe you can verify that I'm using this correctly.  .500" endmill.  Machining a 1.314 bore, .827" deep.  I want to ramp at a 3 degree angle, then open up the hole once I'm at full depth.  

So if I'm understanding correctly, HSMA's suggestion is to ramp at 10200 RPM / 156.11 IPM, then once at full depth, open up the rest of the hole at 11269 RPM / 150.50 IPM with a 30% stepover.  

Do I understand now?  I've probably been overthinking it, haha.  

HSMA.jpg HSMA.jpg

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