blow bar impact crusher

• What's the HSI Crusher Parts Blow Bar?

  Aug 28, 2025

  HSI blow bars play a crucial role in the crushing process for several reasons:   Initiating impact:   When the rotor spins the blow bars at high speeds, typically between 500 to 900 rpm, they deliver a forceful initial blow to the incoming rocks. This impact breaks down the material and propels it towards the first breaker plate.   Energy transformation:   The crusher blow bar propel the particles at speeds ranging from 25 to 50 meters per second. This action transforms the rotational kinetic energy into fracture energy, which is fundamental in reducing the size of the feed material in a single pass. Secondary breakage through particle-bed attrition:   Post-initial impact, the particles rebound off the breaker plates and collide with the trailing edge of the blow bar. This creates a secondary impact zone that further refines the crushed material.   Control over product size:   Variation in blow bars design, alloy hardness, or edge radius can change the pattern of material fragmentation, influencing the gradation curve of the final product. This adjustment provides operators with a quick means to control the top size of the crushed material without needing to adjust the CSS (Closed Side Setting).   Wear detection and replacement indication:   Since blow bars are sacrificial components, they serve as indicators of wear within the rotor assembly. Typically, when the wear limit line—positioned around 30 to 40 mm from the original edge of the bar—becomes indiscernible, it signals the need for either turning or replacing the blow bars. Thus, these bars act as an early warning system, highlighting the overall wear within the crusher's rotor assembly.   No Part Number Description Model 1 MM1139645 Breaker Plate NP13 2 MM1139310 Kacceta NP13 3 704103810000 Hexagon Screw NP13 4 N01563020 Hexagon Nut NP13 5 406300555200 Lock Washer NP13 6 7001548250 Ru16812 NP13 7 7014855010 Washer NP13 8 7001624049 Washer NP13 9 7001532323 Hexagonal Bolt NP13 10 7001570016 Ru167991 NP13 11 N01538185 Hexagonal Screw NP13 12 406300555100 Lock Washer NP13 13 MM1294743 Frame Assembly NP13 14 MM1210852 Breaker Plate Assembly NP13 15 MM1516737 Cylinder Assembly NP13 16 MM1294737 Shaft Assembly NP13 17 MM1361396 Support Assembly NP13 18 MM0905875 Instruction Plate Assembly NP13 19 MM0904093 Frame Liner Assembly NP13 20 MM0904467 Frame Liner Assembly NP13 21 7062252507 Chrome Cast Iron Hammer NP13 22 MM0904596 Breaker Plate Liner Assembly NP13 23 MM1295857 Hydraulic Setting Aid Assembly NP13 24 MM1377579 Piping Assembly, Oil NP13 25 MM0901275 Instruction Plate Assembly NP13 26 MM1379721 Piping Assembly, Oil NP13 27 MM1287077 Sensor Assembly NP13 28 MM1378755 Safety NP13 29 7091080164 Pulley NP13 30 MM1362917 Safety Device NP13 31 MM0456701 Gear Reducer NP13 32 MM1337202 Pipe Assembly NP13 33 7091116002 Hammer Lift Assembly NP13 34 MM0904781 Tool Assembly NP13 35 MM0905503 Tool Assembly NP13 36 MM0473090 Trolley NP13 37 MM0473085 Manual Hoist NP13 38 7003222290 V-Belt NP13 39 N05440355 Rail, Motor NP13 40 MM0432176 Pulley, V-Belt NP13 41 MM0345841 Bushing, Taper NP13 42 MM1400006 Hydraulic Power Unit NP13 43 MM0904767 Feed Box Assembly NP13 44 MM0904744 Feed Box Liner, Assembly NP13 45 MM0904775 Discharge Lip NP13 46 MM0904776 Discharge Lip Liner NP13 47 MM1378305 Belt Guard Assembly NP13 48 MM0425623 Motor, Electric NP13 49 MM1437435 Hoist Assembly NP13 50 MM1294744 Feed Frame NP13 51 MM1331478 Middle Frame NP13 52 MM1331638 Rear Frame NP13 53 MM0904232 Cross Beam, Upper NP13 54 MM0904263 Closing Plate NP13 55 MM0904257 Closing Plate NP13 56 MM0904335 Closing Plate NP13 57 MM0904260 Closing Plate NP13 58 MM0904353 Closing Plate NP13 59 MM0904285 Axle NP13 60 7014856000 Axle NP13 61 7045600003 Nut-Lock NP13 62 N14852769 Axle NP13 63 N23950027 Safety Arm NP13 64 MM0901610 Flange NP13 65 MM1218574 Breaker Plate NP13 66 MM1218575 Cassette NP13 67 MM1516742 Double Acting Cylinder NP13 68 MM1294738 Shaft NP13 69 7074521250 Rotor, Fabricated NP13 70 7032901768 Hammer Wedge NP13 71 7027005255 Shim NP13 72 7083901025 Plate NP13 73 7083901517 Plate NP13 74 7083901611 Plate NP13 75 MM0474171 Bearing Unit, Plummer Block NP13 76 MM1326309 Plate NP13 77 MM1324248 Support NP13 78 MM1361400 Weld, Cover NP13 79 N22022793 Liner NP13 80 MM0904098 Liner NP13 81 MM0904099 Liner NP13 82 MM0904100 Liner NP13 83 MM0904097 Liner NP13 84 MM0904096 Liner NP13 85 MM0904101 Liner NP13 86 MM0904104 Liner NP13 87 MM0904103 Liner NP13 88 MM0904108 Liner NP13 89 MM0903855 Liner NP13 90 MM0904102 Liner NP13 91 N22022793 Liner NP13 92 MM0904097 Liner NP13 93 MM0904419 Cross Beam NP13 94 70622525071 Chrome Cast Iron Hammer NP13 95 MM0904598 Breaker Plate Liner NP13 96 7082634015 Adjustment Rod NP13 97 MM1295930 Threaded Rod NP13 98 7074205006 Washer NP13 99 7.04204E+11 Nut, Self-Locking NP13 100 7080505322 Support NP13 101 N86100367 Guiding Tube NP13 102 7002122012 Nipple, Lubricating NP13 103 MM1289351 Cross Beam NP13 104 N73213255 Spring NP13 105 MM1289370 Seat NP13 106 N43202037 Clamping Fork NP13 107 7.06304E+11 Pin, Spring NP13 108 MM1375739 Hydraulic Jack NP13 109 7.06301E+11 Elbow NP13 110 MM1295544 Protection Cover NP13 111 N02405453 Connector NP13 112 MM0462398 Tee NP13 113 MM1345337 Hydraulic Hoses NP13 114 7.06301E+11 Plug NP13 115 MM0429279 Thread locker NP13 116 MM1374472 Cylinder Welding NP13 117 7068607253 Pulley NP13 118 7001657140 Coupling, Cone Clamping NP13 119 MM1369778 Safety Device NP13 120 MM1362923 Sensor Assembly NP13 121 MM1369753 Guard Assy NP13 122 MM1361396 Support Assembly NP13 123 MM1365697 Safety Stickers Assembly NP13 124 MM1364244 Support Foot NP13 125 MM0904764 Guide NP13 126 MM1362085 Plate Assembly NP13 127 MM1356607 Slide Guide NP13 128 MM0264184 Coupling, Cone Clamping NP13 129 MM1133770 Gear Plate NP13 130 MM1357998 Gear Wheel NP13 131 N45600253 Nut-Lock NP13 132 MM1369241 Plate NP13 133 MM1131105 Plate NP13 134 MM1269707 Handle NP13 135 MM1271592 Cover NP13 136 MM1232388 Mounting Wedge NP13 137 MM1364821 Welded Assembly NP13 138 MM1364812 Welded Assembly NP13 139 MM1364679 Door (Welded Part) NP13 140 MM1363392 Plate NP13 141 7091116002_5 Hammer Lift Assembly NP13 142 7060800014 Lifting Beam NP13 143 MM0905499 Tool NP13 144 N59800023 Handle NP13 145 MM0345841_0 Bushing, Taper NP13 146 MM0345841_0 Bushing, Taper NP13 147 MM1400006_0 Hydraulic Power Unit NP13 148 MM0901640 External Housing NP13 149 MM0297061 Motor, Electric NP13 150 MM0409553 Housing, Bell NP13 151 MM0409557 Coupling, Jaw NP13 152 MM0408639 Pump, Hydraulic NP13 153 7002480011 Gauge, Level NP13 154 7002480611 Breather NP13 155 N02482023 Filter, Oil NP13 156 MM0408545 Valve Group NP13 157 MM0299273 Connector NP13 158 7.06301E+11 Plug NP13 159 MM0408637 Gauge, Pressure NP13 160 MM0408636 Starter NP13 161 MM0408517 Cover NP13 162 MM0408533 Gasket NP13 163 MM0904726 Feed Box NP13 164 N85406617 Cross Beam, Upper NP13 165 MM0904743 Closing Plate NP13 166 N84031540 Closing Plate NP13 167 N84031541 Closing Plate NP13 168 MM0904773 Strip, Rubber NP13 169 7029405001 Chain NP13 170 MM0904102 Liner NP13 171 N22024615 Liner NP13 172 MM0903012 Liner NP13 173 MM0903014 Liner NP13 174 MM0904742 Liner NP13 175 MM0904749 Discharge Lip NP13 176 MM0903012 Liner NP13 177 MM0903015 Liner NP13 178 N28005137 Belt Guard NP13 179 N28005138 Belt Guard NP13 180 MM1378320 External Housing NP13  

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