Did you know that the ACER E-Head™ replaces all Bridgeport milling heads and most imported milling heads?  We recommend looking at the E-head™ as a solution.  Many times the replacement parts for imports are expensive and obsolete. 
The E-head™ is designed to not only upgrade your milling head, but to add efficiency.  See the 10 reasons to Go E-head™
The bolt patterns are displayed below for your review.  Call or E-mail us for sales and support.  We support everything that we sell.   sales@rmscnc.com  Local: 419-281-4488 or
Toll Free: 866-622-4488
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Repair or Not Repair?
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Repairing different brand milling heads with hundreds of different parts is a headache!
 
The solution… Replace with a brand new well-known advanced ACER Trouble Free E-mill™ Head in 20 minutes w/ one year parts warranty.  Rossi Machinery Services is your authorized distributor for ACER Machine E-head™
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ACER E-HEAD DIMENSIONS:   3VS or the 3VK Head

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Pictured is the 3VS/3VK/3VKH

All E-heads are crated & shipped with care.

TEN REASONS TO GO E-MILL: 

• 3 HP. Baldor Motor high efficiency motor with high torque output.
• C.N.C vector- type A.C. frequency drive.
• Infinite 0-45 RPM constant spindle speed. Change in no time: 0-4 sec.
• Your machine can run on single or 3 phase without changing  your wiring.
• NO plastic insert, key or pulley, making this a more reliable head.
• No RPM changer break down. Has an accurate reading on the RPM to prolong the tool life.
• Has an electronic & mechanical brake for fast spindle stops.
• No belt slippage for high efficient torque output.
• It comes with a boring and tapping application.
• It will save you up to 35% in energy costs. 

The ACER 3VS/3VK/3VKH bolt hole diagram.

E-Mill 5VK Bolt hole pattern and picture of the 5VK head dimensions.

The ACER E-Head 5VK bolt hole diagram

The 5VK mounts from the rear. The dimensions are on this diagram.

Learn more about ACER Machines. They are affordable, efficient, and have great quality. We recommend them!