84Engineering 2x72" Shop Master Grinder
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Shop Master 2 x 72" Belt Grinder - powder coated incl 5" wheel
** 2 hp motor, variable speed, powder coated and wired up - only very simple assembly needed. (bolt motor to frame and add drive wheel to motor) **
The Shop Master 72” Belt Grinder is designed to be a cost effective, premium machine for serious fabricators and knife makers wishing to get into the 2x72” belt size.
The sleek, single-piece folded body is laser cut from 10mm plate steel and makes for an extremely rigid yet uncomplicated chassis. All body components simply bolt together using basic hand tools, making servicing and assembly a breeze.
The Shop Master 72” grinder is one of the most versatile and easy to use machines on the market, equipped with a fixed steel work rest and a 6-in-1 rotating platen. Simply loosen the locking handle on the tooling arm and rotate the platen to change between the 215mm steel platen, a 2”, 3” & 5” rubberised contact wheel, or two different slack belt options. This design also offers ample clearance on either side of the platen making it easier to grind corners and edges on awkward work pieces.
If you require more versatility, our full range of accessories are compatible with the Shop Master 72" and can be easily swapped out via the quick-change tooling arm slots.
Tooling arm is 40 x 40 mm.
The Shop Master grinder will plug into any standard 240v 10a power socket. The included Variable Frequency Drive (VFD) converts power to a 3-phase signal, driving the 1.5kw (2hp) motor. This setup allows you to dial in the belt speed anywhere from 0 – 4800 fpm and provides maximum motor torque even at low RPM. The VFD will automatically ramp up power when under load to maintain belt speed.
All wheels on the Shop Master grinder are precision CNC machined from 6061 billet aluminum and coated in our newly formulated abrasion-resistant urethane rubber. Not only does this provide excellent drive wheel traction (the belt will never slip, regardless of how much pressure you apply), but makes for quieter operation and a superior grinding experience. The rubberised wheels even out belt discrepancies meaning you will not experience any ‘jitter’ or ‘bounce’ through the contact wheels – even when using coarse-grit belts.
The Shop Master’s flat-plane tracking mechanism offers increased tracking stability and ease of adjustment over many other options available on the market. The tracking is set-and-forget; just dial in tracking with the twist of a knob and it will remain true, even under heavy belt load. The flat-plane tracking also allows for minimal crown/curvature of the tracking wheel, so your j-flex and other lighter belts won't deform over time.
The gas strut tensioning system ensures a consistent belt tension regardless of tooling setup. The tension arm is designed to lock down when the arm is in its lowest position, allowing for effortless belt and tool changes - you can even do it single handed!
Due to the weight of the Shop Master, the we have broken the grinder down into 2 cartons. In one carton is a semi-assembled, powder coated body, assembled platen and drive wheel. In another box is a pre-wired motor and VFD. Simply bolt motor to the body, install the drive wheel and your grinder is ready to go. The grinder comes as one 27 kg box and one 22 kg box.
Shopmaster 2x72" Belt Grinder User Manual Download PDF: LINK
Optional: The grinder can be screwed or clamped to a workbench, or optionally add a stand - enabling the grinder to also tilt sideways for horisontal grinding.
Packing size: due to weight this is 2 boxes.
Box 1: 28.9 kg, 59 x 49 x 27 cm
Box 2: 22.0 kg, 47 x 47 x 35 cm
If wondering what grinder to buy for knife making or metal working, this one is a great selection. Proven over years of use by the Australian maker community with rubber wheels for many solid years of use - made in Australia - you will not regret going with an 84Engineering grinder. From grinding forged blades, accurate grinding of bevels, a base for a later addition of a surface grinder attachment or other tools, this is a strong grinder that will last many years to come.