Ob chav Pitch Sprockets raws li American Standard
Conveyor lossis Tsav Series-Standard Roller Ob Chav Pitch-2040 / C2040
| Tsis muaj. Cov hniav muab ob npaug rau | De | Dp | Tus lej | Hom | D1 | Dm | A | Wt. Lbs. (kwv yees.) |
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| Min | Max. | |||||||||
| 11 | 2.000 | 1.852 ib | 2040B 11 | B | 1/2 | 13/16 | 13/8 | 7/8 | .34 | |
| 12 | 2.170 Nws | 2.000 | 2040B 12 | B | 1/2 | 13/16 | 19/16 | 7/8 | .44 | |
| 13 | 2.330 Nws | 2.152 ib | 2040b 13 | B | 1/2 | 21/32 | 19/16 | 7/8 | .48 | |
| 14 | 2.490 Nws | 2.305 Nws | 2040B 14 | B | 1/2 | 11/32 | 111/16 | 7/8 | .60 | |
| 15 | 2.650 Nws | 2.458 ib | 20 40b15 | B | 5/8 | 17/32 | 123/32 | 7/8 | .66 | |
| 16 | 2.810 ib | 2.613 ib | 2040B 16 | B | 5/8 | 19/32 | 17/8 | 7/8 | .76 | |
| 17 | 2.980 ib | 2.768 ib | 20 40b17 | B | 5/8 | 15/16 | 23/64 | 1 | 1.00 Nws | |
| 18 | 3.140 Nws | 2.924 ib | 20 40b18 | B | 5/8 | 115/32 | 27/32 | 1 | 1.16 | |
| 19 | 3.300 Nws | 3.080 ib | 20 40b19 | B | 5/8 | 15/8 | 23/8 | 1 | 1.36 ib | |
| 20 | 3.460 ib | 3.236 ib | 2040B 20 | B | 5/8 | 13/4 | 235/64 | 1 | 1.54 ib | |
| 21 | 3.620 ib | 3.392 ib | 2040B 21 | B | 5/8 | 125/32 | 245/64 | 1 | 1.74 ib | |
| 22 | 3.780 ib | 3.549 ib | 2040B 22 | B | 5/8 | 17/8 | 27/8 | 1 | 1.92 ib | |
| 23 | 3.940 ib | 3.706 ib | 2040b 23 | B | 5/8 | 2 | 3 | 1 | 2.16 | |
| 24 | 4.100 Nws | 3.864 ib | 2040B 24 | B | 5/8 | 21/4 | 31/4 | 1 | 2.44 ib | |
| 25 | 4.260 ib | 4.021 ib | 2040b 25 | B | 5/8 | 21/4 | 31/4 | 1 | 2.48 ib | |
| 26 | 4.420 ib | 4.179 ib | 2040B 26 | C | 5/8 | 21/4 | 31/4 | 1 | 2.60 Nws | |
| 28 | 4.740 ib | 4.494 ib | 2040b 28 | C | 5/8 | 21/4 | 31/4 | 1 | .34 | |
| 30 | 5.060 ua | 4.810 ib | 20 40b30 | C | 5/8 | 21/4 | 31/4 | 1 | .33 | |
Conveyor Series-Carrier Roller Ob Chav Pitch-2042 / C2042
| Tsis yog. Cov hniav muab ob npaug rau | De | Dp | Tus lej | Hom | D1 Min Max. | Dm | A | Wt Lbs. fApprox.) | Hom | Tus lej | D1 | wb lbs. fApprox.) | |
| 8 | 3.010 Nws | 2.613 ib | 2042b 8 | B | 5/8 | 19/32 | 17/8 | 7/8 | .72 | ||||
| 9 | 3.350 Nws | 2.924 ib | 2042b 9 | B | 5/8 | 115/32 | 27/32 | 7/8 | 1.02 ib | ||||
| 10 | 3.680 ib | 3.236 ib | 2042b 10 | B | 5/8 | 13/4 | 235/64 | 1 | 1.50 ib | ||||
| 11 | 4.000 | 3.549 ib | 2042b 11 | B | 5/8 | 17/8 | 25/8 | 1 | 1.68 ib | ||||
| 12 | 4.330 Nws | 3.864 ib | 20 42b12 | B | 5/8 | 21/4 | 31/16 | 1 | 2.22 | ||||
| 13 | 4.660 ib | 4.179 ib | 2042b 13 | B | 5/8 | 21/4 | 31/4 | 1 | 2.56 ib | ||||
| 14 | 4.980 ib | 4.494 ib | 2042b 14 | B | 5/8 | 21/4 | 31/4 | 1 | 2.72 ib | ||||
| 15 | 5.300 Nws | 4.810 ib | 20 42b15 | B | 5/8 | 21/4 | 31/4 | 1 | 2.90 ib | ||||
| 16 | 5.630 ib | 5.126 ib | 2042b 16 | B | 5/8 | 21/4 | 31/4 | 1 | 3.10 | A | 2042a16 ua | 19/32 | 1.38 ib |
| 17 | 5.950 ib | 5.442 ib | 2042b17 ib | B | 5/8 | 21/4 | 31/4 | 1 | 3.40 Nws | A | 2042a17 ua | 19/32 | 1.66 ib |
| 18 | 6.270 ib | 5.759 ib | 20 42b18 | B | 5/8 | 21/4 | 31/4 | 1 | 3.56 ib | A | 2042a18 ua | 19/32 | 1.88 ib |
| 19 | 6.590 ib | 6.076 ib | 2042b19 ib | B | 5/8 | 21/4 | 31/4 | 1 | 3.72 ib | A | 2042a19 ua | 19/32 | 2.06 Nws |
| 20 | 6.910 ib | 6.392 ib | 2042b 20 | B | 3/4 | 23/8 | 31/2 | 11/8 | 4.72 ib | A | 2042a20 ib | 19/32 | 2.40 Nws |
| 21 | 7.240 ib | 6.710 ib | 2042b 21 | B | 3/4 | 23/8 | 31/2 | 11/8 | 4.84 ib | A | 2042a21 ib | 23/32 | 2.62 ib |
| 22 | 7.560 ib | 7.027 ib | 2042b22 ib | B | 3/4 | 23/8 | 31/2 | 11/8 | 5.04 ib | A | 2042a22 ib | 23/32 | 2.88 ib |
| 23 | 7.880 ua | 7.344 ib | 2042b 23 | B | 3/4 | 23/8 | 31/2 | 11/8 | 5.18 | A | 2042a23 ua | 23/32 | 3.14 |
| 24 | 8.200 Nws | 7.661 ib | 2042b 24 | B | 3/4 | 23/8 | 31/2 | 11/8 | 5.58 ib | A | 2042a24 ua | 23/32 | 3.22 |
| 25 | 8.520 ib | 7.979 ib | 2042b 25 | B | 3/4 | 23/8 | 31/2 | 11/8 | 5.96 ib | A | 2042a25 ua | 23/32 | 3.50 Nws |
| 26 | 8.840 ib | 8.296 ib | 2042b 26 | B | 3/4 | 23/8 | 31/2 | 11/8 | 6.22 | A | 2042a26 ua | 23/32 | 3.74 ib |
| 28 | 9.480 ib | 8.931 ib | 2042b 28 | B | 3/4 | 23/8 | 31/2 | 11/8 | 6.78 ib | A | 2042a27 ua | 23/32 | 4.76 ib |
| 30 | 10.110 Nws | 9.567 ib | 2042b 30 | B | 3/4 | 23/8 | 31/2 | 11/8 | 7.56 ib | A | 2042a28 ua | 23/32 | 5.08 Nws |
★ Tau recessed groove nyob rau hauv hub rau saw clearance.
Qhov siab tshaj plaws bores qhia yuav ua raws li tus qauv keyseat thiab teem rau ntawm lub rooj zaum.
Cov bores loj me me tuaj yeem ua tau yam tsis muaj tus yuam sij noj, ntiav lub rooj zaum, lossis teeb tsa ntawm lub kaum sab xis rau lub rooj zaum.
Conveyor lossis Tsav Series-Standard Roller Ob Chav Pitch-2050 / C2050
| Tsis muaj. Cov hniav muab ob npaug rau | De | Dp | Tus lej | Hom | D1 | Dm | A | Wt. Lbs. (kwv yees.) | Hom | Tus lej | D1 | Wt. Lbs. (kwv yees.) | |
| Min | Max. | ||||||||||||
| 11 | 2.500 Nws | 2.315 Nws | 2050B 11 | B | 5/8 | 13/16 | 13/4 | 1 | .62 | ||||
| 12 | 2.710 ib | 2.500 Nws | 2050B 12 | B | 5/8 | 1 | 163/64 | 1 | .80 | ||||
| 13 | 2.910 ib | 2.690 ib | 2050B 13 | B | 5/8 | 17/32 | 123/64 | 1 | .82 | ||||
| 14 | 3.110 Nws | 2.881 ib | 2050B 14 | B | 5/8 | 19/32 | 115/16 | 1 | 1.00 Nws | ||||
| 15 | 3.320 Nws | 3.073 ib | 2050B 15 | B | 5/8 | 113/32 | 25/32 | 1 | 1.22 | ||||
| 16 | 3.520 Nws | 3.266 ib | 2050B 16 | B | 5/8 | 119/32 | 223/64 | 1 | 1.44 ib | ||||
| 17 | 3.720 ib | 3.160 Nws | 2050B 17 | B | 5/8 | 13/4 | 29/16 | 1 | 1.68 ib | ||||
| 18 | 3.920 ib | 3.655 ib | 2050B 18 | B | 5/8 | 125/32 | 225/32 | 1 | 1.94 ib | ||||
| 19 | 4.120 ib | 3.850 Nws | 2050B 19 | B | 5/8 | 131/32 | 264/63 | 1 | 2.24 | ||||
| 20 | 4.320 ib | 4.045 ib | 2050B 20 | B | 3/4 | 2 | 3 | 1 | 2.30 Nws | ||||
| 21 | 4.520 ib | 4.241 ib | 2050B 21 | B | 3/4 | 2 | 3 | 1 | 2.40 Nws | ||||
| 22 | 4.720 ib | 4.437 ib | 2050B 22 | B | 3/4 | 2 | 3 | 1 | 2.54 ib | ||||
| 23 | 4.920 ib | 4.633 ib | 2050B 23 | B | 3/4 | 2 | 3 | 1 | 2.66 ib | ||||
| 24 | 5.120 Nws | 4.830 ib | 2050B 24 | B | 3/4 | 2 | 3 | 1/4 | 3.30 Nws | A | 2 050a24 | 23/32 | 1.58 ib |
| 25 | 5.320 ib | 5.026 ib | 2050B 25 | B | 3/4 | 2 | 3 | 1/4 | 3.42 ib | A | 2050 A 25 | 23/32 | 1.68 ib |
| 26 | 5.520 ib | 5.233 ib | 2050B 26 | C | 3/4 | 2 | 3 | 1/4 | 3.62 ib | A | 2050a26 ua | 23/32 | 1.88 ib |
| 28 | 5.920 ib | 5.617 ib | 2050b 28 | C | 3/4 | 2 | 3 | 1/4 | 3.78 ib | A | 2050 A 28 | 23/32 | 2.22 |
| 30 | 6.320 ib | 6.012 ib | 2050b 30 | C | 3/4 | 21/4 | 31/4 | 1/4 | 4.58 ib | A | 2050a30 ua | 23/32 | 2.54 ib |
Conveyor Series-carrier Cov Menyuam Ob Chav Pitch-2052 / C2052
| Tsis yog. Cov hniav muab ob npaug rau | De | Dp | Tus lej | Hom | D1 Min Max. | Dm | A | Wt Lbs. fApprox.) | Hom | Tus lej | D1 | wb lbs. fApprox.) | |
| 8 | 3.770 ib | 3.266 ib | 2052b 8 | B | 5/8 | 19/32 | 223/64 | 1 | 1.38 ib | ||||
| 9 | 4.190 ib | 3.655 ib | 2052b 9 | B | 5/8 | 125/32 | 225/32 | 1 | 1.92 ib | ||||
| 10 | 4.600 Nws | 4.045 ib | 2052b 10 | B | 5/8 | 2 | 3 | 1 | 2.30 Nws | ||||
| 11 | 5.010 ib | 4.437 ib | 2052b 11 | B | 5/8 | 2 | 3 | 1 | 2.54 ib | ||||
| 12 | 5.420 ib | 4.830 ib | 2052b12 ib | B | 3/4 | 2 | 3 | 11/4 | 3.20 | A | 2 052a12 | 23/32 | 1.58 ib |
| 13 | 5.820 ib | 5.223 ib | 2052b 13 | B | 3/4 | 2 | 3 | 11/4 | 3.48 ib | A | 2 052a13 | 23/32 | 1.82 ib |
| 14 | 6.230 Nws | 5.617 ib | 2052b 14 | B | 3/4 | 2 | 3 | 11/4 | 3.88 ib | A | 2052a14 ua | 23/32 | 2.28 |
| 15 | 5.300 Nws | 6.012 ib | 2052b 15 | B | 3/4 | 21/4 | 31/4 | 11/4 | 4.46 ib | A | 2052a15 ua | 23/32 | 2.46 ib |
| 16 | 7.030 ib | 6.407 ib | 2052b 16 | B | 3/4 | 21/4 | 31/4 | 11/4 | 4.80 ib | A | 2042a16 ua | 23/32 | 2.88 ib |
| 17 | 7.440 ib | 6.803 ib | 2052b17 ib | B | 3/4 | 21/4 | 31/4 | 11/4 | 3.34 ib | A | 2042a17 ua | 23/32 | 3.28 |
| 18 | 7.840 ib | 7.198 ib | 2 052b18 | B | 3/4 | 21/4 | 31/4 | 11/4 | 3.64 ib | A | 2042a18 ua | 23/32 | 3.64 ib |
| 19 | 8.240 ib | 7.595 ib | 2052b19 ib | B | 3/4 | 21/4 | 31/4 | 11/4 | 6.04 ib | A | 2042a19 ua | 23/32 | 4.12 |
| 20 | 8.640 ib | 7.991 ib | 2052b 20 | B | 3/4 | 21/4 | 31/4 | 11/4 | 6.48 ib | A | 2042a20 ib | 23/32 | 4.72 ib |
| 21 | 9.040 ib | 8.387 ib | 2052b 21 | B | 3/4 | 21/4 | 31/4 | 11/4 | 7.00 Nws | A | 2042a21 ib | 23/32 | 5.08 Nws |
| 22 | 9.440 ib | 8.783 ib | 2052b22 ib | B | 3/4 | 21/4 | 31/4 | 11/4 | 7.30 Nws | A | 2042a22 ib | 23/32 | 5.20 ib |
| 23 | 9.850 ua | 9.180 ib | 2052b 23 | B | 1 | 23/4 | 33/4 | 11/4 | 8.66 ib | A | 2042a23 ua | 15/16 | 5.84 ib |
| 24 | 10.250 Nws | 9.577 ib | 2052b 24 | B | 15/16 | 23/4 | 33/4 | 11/4 | 9.32 ib | A | 2042a24 ua | 15/16 | 6.70 ib |
| 25 | 10.650 Nws | 9.973 ib | 2052b 25 | B | 15/16 | 23/4 | 33/4 | 11/4 | 10.30 Nws | A | 2042a25 ua | 15/16 | 7.54 ib |
| 26 | 11.050 Nws | 10.370 Nws | 2052b 26 | B | 15/16 | 23/4 | 33/4 | 11/4 | 11.00 Nws | A | 2042a26 ua | 15/16 | 8.24 ib |
| 28 | 11.840 Nws | 11.164 Nws | 2052b 28 | B | 15/16 | 23/4 | 33/4 | 11/4 | 11.70 Nws | A | 2042a27 ua | 15/16 | 8.70 ib |
| 30 | 12.640 Nws | 11.958 Nws | 2052b 30 | B | 15/16 | 23/4 | 33/4 | 11/4 | 12.90 Nws | A | 2042a28 ua | 15/16 | 9.92 ib |
Conveyor lossis Tsav Series-Standard Roller Ob Chav Pitch-2060 / C2060
| Tsis yog. Cov hniav muab ob npaug rau | De | Dp | Tus lej | Hom | D1 Min Max. | Dm | A | Wt Lbs. (kwv yees.) | Hom | Tus lej | D1 | wb lbs. (kwv yees.) | |
| 11 | 3.000 | 2.773 ib | 2060B 11 | B | 3/4 | 1 | 21/16 | 1 | 1.14 | ||||
| 12 | 3.250 Nws | 3.000 | 2060b 12 | B | 3/4 | 11/4 | 23/8 | 11/4 | 1.16 | | |||
| 13 | 3.490 Nws | 3.228 ib | 2060b 13 | B | 3/4 | 15/16 | 25/64 | 11/4 | 1.52 ib | | |||
| 14 | 3.740 ib | 3.457 ib | 2060b 14 | B | 3/4 | 19/16 | 221/64 | 11/4 | 1.86 ib | ||||
| 15 | 3.980 ib | 3.688 ib | 2060b 15 | B | 3/4 | 13/4 | 219/32 | 11/4 | 2.24 | ||||
| 16 | 4.220 ib | 3.920 ib | 2060b 16 | B | 3/4 | 127/32 | 227/16 | 11/4 | 2.64 ib |
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| 17 | 4.460 ib | 4.152 ib | 2060b 17 | B | 3/4 | 23/32 | 23/32 | 11/4 | 3.08 Nws |
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| 18 | 4.700 Nws | 4.386 ib | 20 60b18 | B | 3/4 | 29/32 | 211/32 | 11/4 | 3.56 ib |
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| 19 | 4.940 ib | 4.620 ib | 2 060b19 | B | 3/4 | 211/32 | 31/2 | 11/4 | 3.94 ib |
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| 20 | 5.190 ib | 4.854 ib | 2060B 20 | B | 3/4 | 29/16 | 37/8 | 11/4 | 4.50 Nws |
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| 21 | 5.430 ib | 5.089 ib | 2060B 21 | B | 3/4 | 23/4 | 4 | 11/4 | 5.02 ib |
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| 22 | 5.670 ib | 5.324 ib | 2060b 22 | B | 3/4 | 23/4 | 4 | 11/4 | 5.26 |
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| 23 | 5.910 ib | 5.560 ib | 2060b 23 | B | 3/4 | 23/4 | 4 | 11/4 | 5.54 ib |
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| 24 | 6.150 Nws | 5.796 ib | 2060b 24 | B | 3/4 | 23/4 | 4 | 11/4 | 5.90 ib | A | 2 060a24 | 23/32 | 3.02 Nws |
| 25 | 6.390 ib | 6.032 ib | 2060b 25 | B | 3/4 | 23/4 | 4 | 11/4 | 6.08 Nws | A | 2 060a25 | 23/32 | 3.36 |
| 26 | 6.630 ib | 6.268 ib | 2060b 26 | B | 3/4 | 23/4 | 4 | 11/4 | 6.36 ib | A | 2 060a26 | 23/32 | 3.58 ib |
| 28 | 7.110 ib | 6.741 ib | 2060b 28 | B | 3/4 | 23/4 | 4 | 11/4 | 7.02 ib | A | 2 060a27 | 23/32 | 4.12 |
| 30 | 7.590 ib | 7.215 ib | 2060b 30 | B | 3/4 | 23/4 | 4 | 11/4 | 7.54 ib | A | 2006 A28 | 23/32 | 4.88 ib |
Conveyor Series-Carrier Roller Ob Chav Pitch-2062 / C2062
| Tsis yog. Cov hniav muab ob npaug rau | De | Dp | Tus lej | Hom | D1 Min Max. | Dm | A | Wt Lbs. (kwv yees.) | Hom | Tus lej | D1 | wb lbs. (kwv yees.) | |
| 8 | 4.520 ib | 3.920 ib | 2062b 8 | B | 3/4 | 127/32 | 227/32 | 11/4 | 2.60 Nws | ||||
| 9 | 5.020 ib | 4.386 ib | 2062b 9 | B | 3/4 | 29/32 | 311/32 | 11/4 | 3.48 ib | ||||
| 10 | 5.520 ib | 4.854 ib | 2062b 10 | B | 3/4 | 29/16 | 353/64 | 11/4 | 4.54 ib | ||||
| 11 | 6.010 ib | 5.324 ib | 2 062b11 | B | 3/4 | 23/4 | 4 | 11/4 | 5.20 ib | ||||
| 12 | 6.500 Nws | 5.796 ib | 2 062b12 | B | 3/4 | 23/4 | 4 | 11/4 | 5.70 ib | A | 2 062a12 | 23/32 | 2.98 ib |
| 13 | 6.990 ib | 6.268 ib | 2 062b13 | B | 3/4 | 23/4 | 4 | 11/4 | 6.28 ib | A | 2 062a13 | 23/32 | 3.60 ib |
| 14 | 7.470 ib | 6.741 ib | 2 062b14 | B | 3/4 | 23/4 | 4 | 11/4 | 6.82 ib | A | 2062a14 ua | 23/32 | 4.02 ib |
| 15 | 7.960 ib | 7.215 ib | 2 062b15 | B | 3/4 | 23/4 | 4 | 11/4 | 7.48 ib | A | 2 062a15 | 23/32 | 4.76 ib |
| 16 | 8.440 ib | 7.689 ib | 2 062b16 | B | 3/4 | 23/4 | 4 | 11/4 | 8.18 Nws | A | 2062a16 ua | 23/32 | 5.70 ib |
| 17 | 8.920 ib | 8.163 ib | 2062 ib 17 | B | 1 | 23/4 | 4 | 11/4 | 8.82 ib | A | 2062a17 ua | 15/16 | 6.16 |
| 18 | 9.410 ib | 8.638 ib | 2 062b18 | B | 1 | 23/4 | 4 | 11/4 | 9.36 ib | A | 2062a18 ua | 15/16 | 6.96 ib |
| 19 | 9.890 ua | 9.113 ib | 2062 ib 19 | B | 1 | 23/4 | 41/4 | 11/4 | 11.10 Nws | A | 2062a19 ua | 15/16 | 8.00 Nws |
| 20 | 10.370 Nws | 9.589 ib | 2062b 20 | B | 15/16 | 23/4 | 41/4 | 11/4 | 11.66 Nws | A | 2062a20 ib | 15/16 | 8.46 ib |
| 21 | 10.850 Nws | 10.064 Nws | 2062b 21 | B | 15/16 | 23/4 | 41/4 | 11/4 | 13.24 Nws | A | 2062a21 ua | 15/16 | 8.93 ib |
| 22 | 11.330 Nws | 10.540 Nws | 2062b22 ib | B | 15/16 | 23/4 | 41/4 | 11/4 | 13.78 Nws | A | 2062a22 ua | 15/16 | 10.74 Nws |
| 23 | 11.810 Nws | 11.016 Nws | 2062b 23 | B | 15/16 | 23/4 | 41/4 | 11/4 | 14.90 Nws | A | 2062a23 ua | 15/16 | 11.64 Nws |
| 24 | 12.290 Nws | 11.492 Nws | 2 062b24 | B | 15/16 | 23/4 | 41/4 | 11/4 | 15.66 Nws | A | 2062a24 ua | 15/16 | 12.64 Nws |
| 25 | 12.770 Nws | 11.968 ib | 2062b 25 | B | 15/16 | 23/4 | 41/4 | 11/4 | 16.80 Nws | A | 2 060a25 | 15/16 | 13.78 Nws |
| 26 | 13.250 Nws | 12.444 Nws | 2062b26 ib | B | 15/16 | 23/4 | 41/4 | 13/4 | 20.20 Nws | A | 2 060a26 | 15/16 | 15.00 Nws |
| 28 | 14.210 Nws | 13.397 Nws | 2 062b28 | B | 1/4 | 23/4 | 41/4 | 13/4 | 21.86 Nws | A | 2 060a27 | 11/4 | 17.32 Nws |
| 30 | 15.170 Nws | 14.350 Nws | 2062b 30 | B | 1/4 | 23/4 | 41/4 | 13/4 | 26.00 Nws | A | 2006 A28 | 11/4 | 19.50 Nws |
Ob chav pitch conveyor saw sprockets feem ntau yog qhov zoo tagnrho rau kev txuag ntawm qhov chaw thiab muaj lub neej ntev dua li cov qauv sprockets. Haum rau cov hlua ntev ntev, ob lub suab sprockets muaj cov hniav ntau dua li tus qauv sprocket ntawm tib lub suab lub voj voog txoj kab uas hla thiab faib hnav sib npaug thoob plaws cov hniav. Yog tias koj cov saw hlau conveyor tau sib xws, ob lub suab sprockets yog qhov tsim nyog xav txog.
Sprockets rau ob lub pitch roller chains muaj nyob rau hauv ib qho los yog ob-toothed tsim. Ib leeg-toothed sprockets rau ob lub suab rau cov chains muaj tus cwj pwm zoo ib yam li tus qauv sprockets rau cov menyuam chains raws li DIN 8187 (ISO 606). Vim yog cov saw loj dua ntawm ob lub suab cov menyuam chains nws muaj peev xwm ua kom muaj zog ntxiv los ntawm kev hloov kho hniav.
