how to true a grinding wheel

{"cid":"91202443","title":"Diamond Electroplated CBN Valve Seat Stones Shine Abrasives For Carbide Grinding","imgUrl":"https:\/\/img.ismap.com\/nimg\/12\/1c\/7106e6d34ed4462f8cacd8b038be-200x200-1.jpg","attrs":{"Price":"FOB","Brand Name":"Shine Abrasives","Model Number":"1A1","Minimum Order Quantity":"2 pcs","Delivery Time":"5 work days","Certification":"ISO","Place of Origin":"China","Payment Terms":"L\/C, T\/T","Supply Ability":"1000 pcs in one week","Packaging Details":"one in one paperbox","Advantages":"High Efficiency, Long Service Life, Low Cost","Application":"Cutting, Grinding, Polishing","Features":"High Hardness, Wear Resistance, Corrosion Resistance","MOQ":"1 Piece","Material":"Diamond","Packaging":"Carton Box","Process":"Electroplating","Surface":"Smooth","Usage":"Industrial, Home, Commercial","Grit":"customized","Shape":"customized","Size":"customized","Type":"edge diamond router bits","Finishing":"Ti-coated","Blade material":"diamond","Color":"Customised","Advantage":"Highly Durable,Longer Lifespan,Cost-effective,Long Life","Product name":"Diamond electroplated grinding wheel diamond parallel grinding wheel,electroplating diamond band saw blade glass cutting tools wholesale","Diameter":"other size available,D115..D350","Abrasive":"Diamond,Diamond \/ CBN","Package":"Paper Box","Inner hole":"Upon Requested","Technology":"Sintering and high frequency welding","Feature":"Cutting Effect,Accurate profiling with long lifespan"}}

{"cid":"91200621","title":"Diamond Cutting Round Edge Polishing Wheels For Marble","imgUrl":"https:\/\/img.ismap.com\/nimg\/b1\/f4\/35ed84c93a706f042b0d8393477f-200x200-1.jpg","attrs":{"Price":"Negotiate","Brand Name":"Hizar","Model Number":"HWHV","Minimum Order Quantity":"3pcs","Delivery Time":"3-5 work day","Certification":"CE","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"300pcs per month","Packaging Details":"Carton","Name":"Stone Router Bits","Color":"Customized","Application":"Grinding","Hole":"30mm","Bond":"Vacuum Brazed;Sintered;Resin","Diameter":"140mm","Usage":"Edge grinding","Shape":"bevel, half bullnose, ogee , full bullnose"}}

{"cid":"91165061","title":"No.2 Half Diamond Bullnose Router Bit , Bullnose Grinder Wheel HS Code 8467991000","imgUrl":"https:\/\/img.ismap.com\/nimg\/a8\/75\/9efda60a0941bc2e56b3fe522a59-200x200-1.jpg","attrs":{"Price":"Negotiate","Brand Name":"Johnson Tools","Model Number":"Half Bullnose Router Bits","Minimum Order Quantity":"1pcs","Delivery Time":"15 - 20 work days","Certification":"SGS, GB","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"10000pcs per month","Packaging Details":"boxes","Diameter":"45-120mm","Thickness":"5-50mm","Hole":"22.23mm","Machine":"Router machines","Application":"Various types of stone","Usage":"Shaping the edge or curve line","Processing technology":"Vacuum brazing","Grit":"Coarse,medium,fine","HS Code":"8467991000"}}