Plunge Platens

Price
$105
Wheel Size:
In stock! Usually ships within 24 hours.
Pickup available at 6 Geebung street Polo Flat NSW

Usually ready in 24 hours

View store information

Keep hand sanding to a minimum if required at all!

The 84 engineering 6mm, 19mm & 25mm plunge platens (sometimes referred to as 'waterfall platen') make the otherwise intricate task of grinding plunge lines and rounded corners simple and repeatable.

Our plunge platens use either a 6mm, 19mm or 25mm small wheel rather than a radiused edge for reduced friction. This equates to cooler grinding and increased belt life.

Designed to provide the best finish on your knife, there is minimal gap between the roller and the radiused edge of the platen. The result of this is that the 84 Engineering plunge platen will leave no transition between the wheel and 215mm flat platen, keeping hand sanding to a minimum if required at all.

We recommend the 6mm plunge platen for thinner blades and the 19mm and 25mm for integral bolster style blades. Our plunge platens use our standard 19mm spigot, so will easily swap out with the included platen on either the Shop Mate 2x48” or Shop Master 2x72” belt grinders / linishers using the standard tooling arms.

You can also use the plunge platen with a 84 Engineering small wheel arm, resting the back of the platen on the 2" idler wheel. Threaded holes on either side of the plunge platen allow for the spigot to be mounted to either side. This means the plunge platen can be used with the platen facing up or down depending on application or preference.

Please note, due to the size of the plunge platen wheels they should not be run at full speed on variable speed grinders. On our Shop Mate and Shop Master belt grinders they should only be run in the slow, green zone of your speed controller.

We recommend the use of light backed belts with these small wheels as heavy Y and Z weight belts do not easily bend to such a tight radius.

Plunge Platen User Guide

Product Specifications

- 215mm steel platen
-19mm spigot
-Spigot can be used platen facing up or down and to suit all 84 Engineering belt grinders
-6mm wheel is made from centerless-ground silver steel
-19mm wheel comprises steel billet center coated in 73 Shore A urethane rubber
-Precision CNC machined aluminium billet brackets

Included in package

-Plunge platen with selected wheel size
-19mm Spigot & stop collar

Documents
Shipping Information

Our on-line store is open 24/7 and we ship Monday through Friday, excluding some holidays. Orders received for products without shipping restrictions on its product page will ship the following business day when received before 12:00 p.m. AEST. Orders in high demand will have an estimated production time listed on its product page and will ship according to the date listed.

Customer Reviews

Based on 16 reviews
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J
JD

Works great, thanks

J
Jim Claypole
Plunge Platen Pleasure

I found the Plunge Platen to be an extremely helpful addition to to my 2 x 72 accessories, especially when smoothing bevels. The time saved in hand sanding is excellent for me.
Thanks Ewen I really love it.

T
Tom Bensch
Excellent product, just what I was looking for!

I purchased this plunge platen to mount on my KMG grinder. As expected I needed to modify it with a 1" stub to mount in the tooling arm and it works excellent. Glad I made the purchase.

K
KB
Received Plunge Platens

The delivery from 84 Engineering was fast and very secure. The Platen was securely wrapped and looked like I had collected it from the shop and not by mail.
Can't wait to get to use the system, still learning how.

D
David Roeder
Plunge platten

Absolutely perfect !!! I really love it !!!

CNC machined steel hubs

Hubs used in our small wheels are CNC machined from steel billet to ensure extreme rigidity and precision

84 Engineering in-house rubber wheel coating - mould opening

Hard wearing rubber coating

The contact wheel on our 19mm Plunge platen is coated with 73 shore A polyurethane rubber to provide extreme wear & heat resistance. Wheels are then ground perfectly flat to remove any surface variationvariation

Australian Manufactured Steel

84 Engineering use Australian-sourced steel for our grinder components

Reviews

We take pride in our quality and service
Dmitriy Popov

DP Custom Knives

Have been a long time customer of 84 Engineering and every product I have purchased has been manufactured incredibly well with very high attention to detail. Customer service has also always been top notch. You will definitely be well looked after here.

Jordy Kopetko

Deathrig Fabrication

Amazing Aussie made products - used daily in my workshop. Quality second to none

Dan Murray

Cafe Racer Garage

I have been using 84 Engineering belt grinders for many years, it's truly the one tool that gets the most use in my garage building motorcycles, It's one of those tools that you wonder how you ever did without! I highly recommend anyone working with steel have one! Dan - Cafe Race Garage -YouTube

Riley Burns

Knife Maker

Our 84 Engineering machine is the best in our workshop and the best we've ever owned. Their service is second to none.

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