ROD-CONNECTING 2191406 - Caterpillar

Part Description
Table 2
Base Metal     Ductile Iron Casting    
Hardness        Flame Spray Equipment and Procedure
Table 3
Maximum Surface Finish     0.81 Micrometers (32.000 Microinches)    
Reason for Spraying     Wear    
Mating Part Contact Area & Material     Rubber seal    
Metco Equipment Type     6P-II    
Metco Material     452    
Finished Thickness    
0.25 to 0.76 mm (0.010 to 0.030 inch)    
Finishing Allowance    
0.51 mm (.200.000 inch) per side    
Spray Angle     As close to 90° as possible    
Substrate Pre-Heat Temperature    
66° C (150° F) Do not direct flame on area to be sprayed    
Substrate Temperature During Spraying Not to Exceed    
148° C (300° F)    
Auxiliary Cooling     If desired    
Rotation/Traverse Device     Lathe or turntable    
Rotation/Traverse Speed    
91.4 SMPM (300.00 SFPM) minimum    
Surface Preparation Method     Grit blast    
Finishing Method     Machine    
Machining Equipment Type     Lathe    
Recommended Cutter Grade     883 Carboloy or equivalent    
Remarks        
Table 4
Flame Spray Process (6P)     Procedure     Check List    
Clean Part     Degrease in hot caustic solution        
Undercut     To "tru-up" surface        
Chamfer     All edges 45° x
0.76 mm (0.030 inch)        
Remove Oxide     Use 60 grit emery paper        
Clean Spray Area     METCO Cleaning Solvent or equivalent        
Mask For Blast     Use metal mask or duct tape        
Blast Equipment     Suction cabinet or pressure blast        
Grit Type and Size     G-25 angular steel        
Blast Air Pressure    
620 kPa (90.0 psi)        
Blast Nozzle to Work Distance    
63.5 mm (2.5 inch)        
Mask for Spray     Anti-Bond or blue layout dye        
Spray Equipment Type     6P-II Hand Held Thermo Spray System        
Auxiliary Cooling     If desired        
Nozzle     6P7A-K "K" Nozzle        
Air Capacity/Pressure     6P-3/Cooling air -
69 to 103 kPa (10.0 to 15.0 psi)        
Oxygen Pressure    
210 kPa (30.0 psi)        
Oxygen Flow    
1190 L/h (42.0 cfh)        
Fuel Gas Pressure    
100 kPa (15.0 psi)        
Fuel Gas Flow    
1415 L/h (50.0 cfh)        
Carrier Gas Pressure    
380 kPa (55.0 psi)        
Carrier Gas Flow    
1050 L/h (37.0 cfh)        
Spray Rate/Build Up    
5.5 kg (12.0 lb) per hour or
90 g (3.2 oz) per min.        
Gun to Work Distance    
229 mm (9.0 inch)        
Rotation Speed of Part (RPM)     44 RPM        
Rotation Speed of Part    
91.4 SMPM (300.00 SFPM)        
Traverse Rate of Gun    
15.24 SMPM (50.000 SFPM)        
Gun Fixturing Method     Machine mount or hand held        
Top Coat/Thickness