No. 1688, Gaoke East Road, Pudong new district, Shanghai, China.
Although I believe Stumpy's intentions were good, he has fallen into the very common trap of hollow grinding with a six inch grinder. Six inch grinders were used by almost everyone fifty years ago. (I bought mine in 1973.) I presume almost everyone on this forum uses a Tormek, generally with a 250mm (10") grinding wheel.
Grinding Wheel in Industry. A vitrico grinding wheels is the most common equipment in the metallurgy industry. Grinding Wheel cuts metals with different sizes, shapes, and efficiency. Grinding Wheel is generally composed of two types of materials
The smaller the wheel, obviously the smaller the "hollow". The most common size wheel I have seen over the years is a 10". Personally, when I do produce a blade with a hollow grind, I will most often use a 10" wheel, but because I demand that the grind be "right", and not one of those aforementioned perversions, the size wheel is determined by ...
I prefer the 8"wheels (1750RPM). I got rid of the 6" grinder, as the 3550 RPM vibration was too annoying. For gouges, I have been grinding them on the side of the wheel, no hollow, and the 8" wheels have more space for that. Subsequently, I made a 6" diamond disc grinder (1750RPM) that I will now be using to grind gouges.
[email protected] 25 Somerset Drive Stilfontein 2550 South Africa +27 (0)662631244 Knife making solutions that keep working Platten for Original Hollow Grinder & Compact Grinder Mini Wheel with 25mm, 38mm & 50mm wheels for Original Hollow Grinder & Compact
HGCU Series Hollow Grinders Hollow Grinder Models HG4CU and HG6CU • Ideal for high-volume knife users. • Available with Ø4" (102 mm) or Ø6" (152 mm) cup stones. • Thins blades for edging up to 16" (406 mm) long. • Recirculating liquid coolant system provides burn-free and dust-free operation. • Unique cup wheel sharpening ...
Introduction This page discusses grinding edge tools using Grinding Wheels. Grinding forms the blade away from the edge. Other pages on this site discuss an overview of grinding, grinding using a bench stone, grinding using a belt sander, and the sharpening process, which includes both grinding and honing.
The wheel grinding process leaves more steel behind the edge than a straight grinding. This statement is true if angle is measured at the very tip of the bevel. In the scaled drawings below there is the situation for a grindstone with radius R = 125 mm, chisel blade thickness 4 mm and 25 degree bevel.
POWER KNIFE SHARPENER HOLLOW GRINDER. 2x 100mm 30° CBN coated steel wheel - better than diamond. Sharpening 10 seconds and hollow grinding. Between 0° and 70° sharpening angle available. Fan cooled 375 Watt 240V motor.
I'm a big fan of hollow grinds on all my chisels and plane blades. I picked this up from Krenov's book, "The Fine Art of Cabinetmaking" a LONG time ago. I use a cheap 6" Delta high speed, (yes high speed), grinder with a 60 grit white wheel because the hollow is pretty deep. Just go lightly and have a can of water to dip the edge in.
Vortex Grinder Specifications. Motor: 0.75kW / 1.5kW (single or 3-phase, 220V) Speed control: Single speed (no VFD) / Full control with Variable Frequency Drive (VFD) Belt direction: Forward / Reverse (using VFD) Belt speed (Single Speed): Approx. 1320 MPM / 4330 SFM (with 150mm dia drive wheel, no load)
HG336 Hollow Grinder Wheels - 36 Grit. Price: $215.00 More Details Add to Cart. HG3100 Hollow Grinder Wheels - 100 Grit. Price: $225.00 More Details Add to Cart. CLST Cleaning Stick for Honing Wheels. Price: $5.25 More Details Add to Cart. HGH1304 Dresser Bit, Diamond 6" - 1/4 Carat. Price: $99.00 ...
The grinder is shown to include a rotatable grinding wheel 13 for engagement with a workpiece such as a knife blank, etc., to perform a hollow grinding operation thereon. A fixture 14 is secured to grinder 10 for maintaining the workpiece against the wheel during the grinding operation.
Hollow grinding wheels Honing/edging wheels Twins™ Sharpening System • Consists of identically sized HG4S Hollow Grinder and HE4 Honer/Edger. • System can sharpen up to 400 blades per day. • Sharpens blades up to 10" (254 mm) long. • Unique spiral-shaped honing/edging stone design assures consistent, smooth, sharp edges.
An improved hollow grinder bevel angle control wherein a height-attitude coupling mechanism links the height and attitude motions of an adjustable tool-rest, and a scale on a stationary portion of the grinder cooperates with a pointer on the height-attitude coupling mechanism to indicate a relationship between bevel angle and grinding wheel radius.
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2 x 72 Belt Sander. You can choose from a base frame, 1hp, 2hp or 3hp package. Attachments available: small wheel attachments, Knife sharpener, Hollow grind.