Machine Accessories

Essential precision machine accessories engineered for lapidary bench grinders, flat lap machines, trim saws, slab saws, and cabbing units. Our range encompasses magnetic quick-change backing plates, adhesive PSA backing plates, rigid metal master plates, saw blade arbor reducer adapters, expandable drum bushings, and precision stainless steel wheel spacers designed to maintain concentricity, stability, and vibration-free operation.

Accessories Overview

Accessory Type Available Sizing & Configurations Primary Machine Function
Magnetic Backing Plates 6", 8", 10", 12" (Standard & 1/2" Arbor Hole) Instant tool-free swapping between grinding and polishing lap stages
PSA Adhesive Backing Plates 6", 8" Diameter Plates Secure mounting platform for PSA-backed diamond smoothing & polishing discs
Metal Thin Plates with PSA 6", 8" Diameter Solid Plates Rigid steel backing foundation preventing disc flexing under work pressure
Saw Blade Arbor Adapters 1"→20mm, 1"→5/8", 3/4"→5/8", 5/8"→1/2" Adapts standard saw blade bores to fit specific motor arbor shafts concentrically
Bench Grinder Spacer Sets Stainless Steel (9-pc) & Aluminum (7-pc) Precise lateral wheel alignment and arbor spacing on multi-wheel shafts
Expandable Drum Arbor Adapters Standard Lapidary Bushing Set (6-pc) Reduces rubber expanding drum cores to match various grinder spindle diameters

Key Advantages

  • Precision CNC-machined components ensure zero wobble, runout, or shaft binding
  • Corrosion-resistant stainless steel, aluminum, and brass survive continuous wet grinding
  • Eliminates vibration to safeguard gemstone integrity and extend diamond abrasive longevity
  • Universal compatibility with standard commercial and custom lapidary machinery

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Frequently Asked Questions

  • Q: What is the difference between magnetic backing plates and PSA backing plates?
    A: Magnetic backing plates utilize a high-flux magnetic surface to securely grip steel-backed laps, allowing instant, tool-free disc changes between grit steps. PSA (Pressure Sensitive Adhesive) backing plates provide a flat acrylic or metal surface for stick-on adhesive discs, ideal for dedicated single-stage platens or extended polishing runs.
  • Q: How do saw blade arbor adapters function?
    A: Saw blade arbor adapters are precision-machined bushing rings that fit snugly inside a blade's center bore, reducing it to match your saw's drive arbor shaft. They guarantee concentric mounting and prevent blade slippage or off-center rotation during cutting.
  • Q: Which bench grinder spacer set is recommended: stainless steel or aluminum?
    A: Stainless steel spacers offer superior corrosion resistance and hardness, making them the preferred choice for wet grinding setups where water, coolant, and stone slurry are present. Aluminum spacers are lightweight, economical, and ideal for dry buffing and polishing stations.
  • Q: Are expandable drum arbor bushings universally compatible?
    A: Yes. Multi-piece bushing adapter sets provide standard diameter reductions (such as 1" or 3/4" down to 5/8" or 1/2") to fit expanding rubber drums onto various motor shafts and arbor spindles. Always verify your motor shaft diameter before assembly.