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24

July

2015

Which 5-axis Mill is best for you

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In this post I would like to go over the different 5-axis milling machine models MDA Precision offers, including their capabilities and which applications they are suited for.

To begin, lets go over the TN5-V8-TC8 5-axis Mill.

This system has a F1410LF mill base with Linear Guides. Compared to the standard metal on metal dove tail guides, linear guides offer many benefits including:

– Less friction leading to better positioning accuracy.
– Internal self lubrication
– Increased machine life
– Lower general maintenance

The F1410LF mill base offers the most travel: XYZ (19.6″, 8″, 11″). Also included are Homing Switches in all 5 axes allowing the milling machine to know where the table position is at all times.
The most important factor when choosing the right 5-axis CNC system, or any mill for that matter, is the spindle type. The TN5-V8-TC8 has a high rpm German made IMT CLASSIC 45 – VA6 1.1kw Spindle with 5,000-60,000RPM capabilities.

Machining capabilities:
The TN5-V8-TC8 can machine a full range of material including: plastics, aluminum, stainless steel and titanium. It is important to understand that 1.1kw IMT spindle only has so much torque. Because of this, it is not built for hogging metal material. We recommend that for machining any type of metal you should use a 1/8″ (3mm.) end mill or smaller. For plastics and wax you can use larger end mills.

The high rpm IMT spindle is best suited for “finer” machining applications where you will be using a majority of small end-mills ranging from 1/8″ (3mm.) down to 1/64″ (0.4mm.) and smaller.  In some cases, you may have jobs that require a heavy machining application. The IMT spindle can do it,  but it will naturally take longer and you will be limited by the z-depth of the smaller end-mills.

The easiest way to decide which spindle you need on your bench top 5-axis mill is to know what size end mills you will mainly be using.
For example, if you know you will primarily be using larger end-mills lets say 1/4″ and larger, then MDA Precision will recommend that you purchase a 5-axis mill with the powerful 2HP Varicon spindle (100-7,500 rpm).
If on the other hand you will rarely be using anything larger than a 1/8″(3mm.) end mill we would recommend the TN5-V8-TC8 5-axis milling machine equipped with the German made high rpm IMT spindle.

I hope this post helps clarify which 5-axis Mill is best for you. If you have a specific application and are not sure which system would work best please, please call (408) 847-7796 or email us. We will be more than happy to help you.

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