T/SXJP 052-2023 MH/B Series Reducer for Conveyor Belt Machinery

Scope

Main Technical Content: 4.1 The classification of reducer models includes MH1, MH2, MH3, MH4, MB2, MB3, and MB4, totaling 7 types, with transmission stages ranging from 1 to 4. - MH1: 1-stage cylindrical gear parallel-shaft reducer. - MH2: 2-stage cylindrical gear parallel-shaft reducer. - MH3: 3-stage cylindrical gear parallel-shaft reducer. - MH4: 4-stage cylindrical gear parallel-shaft reducer. - MB2: 1-stage bevel gear and 1-stage cylindrical gear vertical-shaft reducer. - MB3: 1-stage bevel gear and 2-stage cylindrical gear vertical-shaft reducer. - MB4: 1-stage bevel gear and 3-stage cylindrical gear vertical-shaft reducer. 4.2 Naming 4.3 Arrangement Type and Dimensions 4.4 Nominal Transmission Ratio iN 4.5 Reducer Nominal Transmission Ratio iN shall comply with Table 1. 5 Requirements 5.1 Transmission Efficiency 5.2 Noise 5.3 Casing 5.3.1 Material Requirements 5.3.2 Precision a) The parallelism between the parting surface and the bottom plane shall not be lower than Grade 7 of GB/T 1184; b) After the free combination of the casing and cover of the split-casing reducer, the parting surface shall be tightly sealed. The contact tightness of the parting surface shall be checked with a 0.05mm feeler gauge, and the depth of insertion of the feeler gauge shall not exceed one-third of the width of the parting surface; c) The tolerance grade of the bearing hole dimensions shall not be lower than Grade 7 of GB/T 1800.2; - The cylindricity of the bearing hole shall not be lower than Grade 7 of GB/T 1184; - The coaxiality of the bearing hole shall not be lower than Grade 6 of GB/T 1184; - The verticality of the bearing hole and the end face shall not be lower than Grade 7 of GB/T 1184; d) The limit deviation of the bearing hole center distance and the tolerance of the parallelism of the bearing hole center line shall comply with the provisions of JB/T

Development Information

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