Intro of 2x72 Belts

There are several types of abrasive and polishing belt that found locally and some needs to import from other countries

Note : some belts have cloth backings and some have polyester backings both have their own working criteria depends on user and material. Some belts works in dry conditions & some required mist cooling systems or wetting the work piece during job. Only Aluminum Oxides, Silicon Carbide, Zirconia and Ceramic Belts are easily available in Pakistan rest of belts need to import from other countries like China, USA and Europe 

(A) Aluminum Oxide Sanding Belts Ideal for Woodworks, Metal and Plastic 

(B) Zirconia Belts Ideal for all materials 

(C) Ceramic Belts Ideal for knife making, Metals, Woodworking, Brass, Copper, Titanium , Tool Steels, Stainless Steel and Moderate Hardened Material 

(D) Silicon Carbide Belts Ideal for Soft metals like Aluminum, Copper and Brass

(E) Surface Conditioning Belts (Scotch Brites Belts) ideal for Mat finish 

(F) Woven Belts ideal for mirror polishing and buffing, these belts require compound polish

(G) Flexible Belts Ideal for grind plunges and small areas

(H) Scalloped Belts Ideal for grind plunges, these belts are flexible recommended to use without platen or contact wheel, ideal for knife handles shaping, profiling and polishing

(I) Diamond Belts, there are 2 types of diamond belts 1st type is electroplated microfinishing diamond film belts are used for glass and stones grinding and polishing and 2nd are Diamond Belts CBN Coarse Grits those are used for grinding and polishing the carbides materials, these belts are highly expensive in this range of belt grinder's era

(L) Leather Strop Belt ideal for hair cut sharpening and knife edge polishing, these belts used for honing the burr of edges of knife blade

(J) Cork Belts ideal for mat finishing for steels

Here some famous companies belts are available widely all over the worlds

• 3M Belts Range  3M an American Company produce a big range pf belts for grinding, polishing, surface conditioning and sharpening like Cubitron Range, Trizact Range, Flexible Diamond Belts and Scotch Brite Belts 

• TAF Abrasive an Italian brand their ceramics and aluminum oxides belts are well known also their abrasive discs are widely used 

• VSM a German brand one of the most demanding premium quality ceramic abrasives and highly use in knife making for grind the bevels their belts are known as VSM CERAMIC, VSM ALU-X, ALUMIRON, ACTIROX, COMPACT GRAIN+ , CERAMICS+ etc

• Norton also have polyester backing and ceramic coating is also highly ideal for grinding the knives. Norton has a huge variety of abrasives and sharpening like Norton Blaze, Norton NOReX , Norton Norzon, Narrowband and Broadband etc

• DEERFOS a largest Korean's company that is very well known in Asian region

• Klingspor a Canadian abrasive company that produces a wide range of cloth belts 

•  NCA Abrasive a Japanese famous brand 

Abrasive Sheet Ranking with printed their codes on the backside of belts. In fact the abrasive coated belts and papers consist of backing materials like cloth, Mylar, screen, combination and fiber. While dealing with abrasive papers, belts and sheets there exists some criteria to choose the ideal belt for the right job, as mention above the backing of belts, papers and sheets is very important factor, some are cotton cloth or denim cloth backing, some have papers backing and some have synthetic polyester cloth and cloth mix backings, there are some codes mention on the backing of belts, sheets and papers. Here are these alphabetic codes with their applications

ABRASIVE SHEET AND ABRASIVE BELTS BACKING

X Weight means heavy cloth backing used for slightly harder jobs

Y Weight means very high polyester cloth that turns the sheet or belt to a durable form and used in high and tough grindings

J Weight means light weight cloth with flexibility used for outline or plunges or inner radius profiling. These flexible belts don’t need platen or contact wheel while grinding

F Weight means highly flexible cloth more than J, same J cloth function

ABRASIVE PAPERS (SAND PAPER) BACKINGS

A Weight for low abrasive paper and high in finishing like 40# where no need to push more, used for finishing the workpiece, extra ordinary fine grits. The range of grit is 800grit-12000 grit

C Weight for moderate abrasive and moderate finishing like 70#, mild girts like 320grit-800grit. Type C papers are foldable and also used in flat applications

D Weight for here medium coarse range start, very abrasive and sanding 90#

E Weight for strong and durable paper used for belts, discs & sheets 130#

F Weight for narrow and wide belts, metal and crankshafts polishing rolls and woodworking industry