同步皮带，铝同步齿轮主要型号有：
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3M 节距是3.00mm. 带高2.40mm, 齿高1.17mm. (120-3M---1800-3M)
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5M 节距是5.00mm. 带高3.80mm, 齿高2.06mm. (180-5M---2100-5M)
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8M 节距是8.00mm. 带高6.00mm, 齿高3.36mm. (368-8M---5600-8M)
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14M节距是14.00mm. 带高10.00mm, 齿高6.02mm. (966-14M---4760-14M)
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20M节距是20.00mm. 带高13.20mm, 齿高9.00mm. (2000-20M---5600-20M)
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MXL 节距是2.032mm. 带高1.14mm, 齿高0.51mm. (32-MXL---1170-MXL)
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XXL 节距是3.175mm. 带高1.52mm, 齿高0.76mm. (B80-XXL---B463-XXL)
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XL 节距是5.080mm. 带高2.30mm, 齿高1.27mm. (54-XL---1300-XL)
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L 节距是9.525mm. 带高3.60mm, 齿高1.91mm. (98-L---1043-L)
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H 节距是12.700mm. 带高4.30mm, 齿高2.29mm. (185-H---2360-H)
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XH 节距是22.225mm. 带高11.20mm, 齿高6.35mm. (464-XH---1800-XH)
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XXH 节距是31.750mm. 带高15.70mm, 齿高9.53mm.
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S2M 节距是2.00mm. 带高1.36mm, 齿高0.76mm. (130-S2M---3000-S2M)
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S3M 节距是3.00mm. 带高1.90mm, 齿高1.14mm. (150-S2M---3210-S2M)
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S4.5M 节距是4.50mm. 带高2.81mm, 齿高1.71mm. (180-S4.5M---950-S4.5M)
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S5M 节距是5.00mm. 带高3.40mm, 齿高1.91mm. (150-S5M---2000-S5M)
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S8M 节距是8.00mm. 带高5.30mm, 齿高3.05mm. (480-S8M---3200-S8M)
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S14M 节距是14.00mm. 带高10.20mm, 齿高5.30mm. (966-S14M---4326-S14M)
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P3M 节距是3.00mm. 带高1.90mm, 齿高1.15mm. (110-P3M---1569-P3M)
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P5M 节距是5.00mm. 带高3.50mm, 齿高1.95mm. (225-P5M---2525-P5M)
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P8M 节距是8.00mm. 带高5.50mm, 齿高3.20mm. (376-P8M---2800-P8M)
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P8M 节距是14.00mm. 带高10.00mm, 齿高6.00mm. (966-P14M---4578-P14M)
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T2.5 节距是2.50mm. 带高1.30mm, 齿高0.70mm. (145-T2.5---400-T2.5)
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T5 节距是5.00mm. 带高2.20mm, 齿高1.20mm. (150-T5---2220-T5)
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T10 节距是10.00mm. 带高4.50mm, 齿高2.50mm. (340-T10---2800-T10)
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T20 节距是20.00mm. 带高8.00mm, 齿高5.00mm. (1240-T20---2760-T20)
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同步轮型号:
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AS型 (平面式无挡板) BS型(有台阶无挡板) AF型(平面式有挡板)
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BF型 (有台阶有挡板) W型(两面凹形无挡板)