Worm Gears

1 worm Gears Standard, Adapted or Special Sturdy and reliable Large reduction Compact design Low noise Strong bearings in solid housing ATEX versions possible Contents: A Reliable Partner with Focus on Service A The BJ- worm gear 3 Today, BJ- gear is one of the leading companies in developing, manufacturing and supplying Gears , spindle Gears , screw jacks, electromechanical cylinders, actuators and bearing units. B Type Designation 4 We are producing a wide range of standard Gears and besides we are keeping a strong position within adapted standard Gears C Selection Guide 5. and special Gears . Besides, we offer motors, encoders, electromagnetic brakes and gear Size 5. couplings etc. of recognized manufacture making it possible to gear Ratio 5 supply complete transmission solutions at short notice. Dimensioning gear Size and gear Ratio 5.

2 Mounting of gear and The flexible production machinery - together with our modular Choice of Output Shaft 8 designed product range allows very short and precise delivery D-side and worm 9 times, even when they are adapted products or special products. Choice of ND-side 10. The combination of innovation, know-how, high-technological Choice of Oil / Lubricants 10. production facilities and our focus on customer requirements Choice of Finish 10. make us a competent partner. We are certified according to EN. ISO 9001: Current edition and our standard worm gear products D Service Factor 11 are supplied for zone 2 and 22 according to the Atex directive. Products for zone 1 and 21 can be supplied according to task. E Backlash 11. As an alternative to this brochure, you can use our website on where you can have detailed information on F Bearings at Output Shaft 12 our complete product programme.

3 You can also online configure Gears and download 2D and 3D drawings, brochures and other documentation. G gear Number 13. BJ- gear stands for reliable transmission solutions among others H Position of Terminal Box 13. within Healthcare, Food Processing and Packaging, Aerospace and Defense, Offshore and Marine, The Energy and Environment sector and to many other business areas. I Dimensional Drawings 14. You are welcome to contact our specialists on +45 87 40 80 80 /. or take a look at if you want to J Tables of Effect 27. know more about our company and products. K Mounting 30. L Operation and Maintenance 31. M Examples of worm Gears 32. N Spare Parts List 34. O Spare Parts Drawing 35. P Our Product Programme 36. 2. A The BJ- worm gear ATEX. Our standard worm Gears are supplied for zone 2 and 22 according to the Atex directive.

4 Products for zone 1 and 21 can be supplied according to task. Angular Contact Ball Bearing End Cover ND-side Oil Sealing Motor Flange D-side Deep Groove Ball Bearings / Tapered Roller Bearings worm worm Wheel Output Shaft Cast Iron Housing Thread Side flange/. Bearing Cover Oli Sealing with Dust Lip 3. B Type Designation 1 52 2 0 100 13 03 01 30 0 0. Product Type This product catalogue comprises worm Gears only which 1 52 2 0 100 13 03 01 30 0 0. covers product type 1. gear Size Gears with centre distances from 42 to 99 mm and output 1 52 2 0 100 13 03 01 30 0 0. torques ranging from 10 to 891 Nm. Housing Housing types for different kinds of gear assembly. This brochure 1 52 2 0 100 13 03 01 30 0 0. comprises our cast iron housings with much rigidity, low noise, good vibration absorption qualities and tight tolerances.

5 Bearing Cover / Side Flange Either the bearing cover as the compact solution or the side 1 52 2 0 100 13 03 01 30 0 0. flange making it possible to assemble at the output shaft. Possibilities for adaptations. Output Shaft Different variants as standard. Possibilities for adaptations. 1 52 2 0 100 13 03 01 30 0 0. D-side (Drive Side). Motor flange, coupling house or end cover for another power intake connection. Possibilities for adaptations. 1 52 2 0 100 13 03 01 30 0 0. worm Hollow worm shaft or free worm shaft on the D-side. Possibly 1 52 2 0 100 13 03 01 30 0 0. through-going worm and free shaft on the ND-side. Possibilities for adaptations. Hardened and grinded steel of high quality is used. ND-side (Non Drive Side). Possibility of building on various accessories such as brakes, 1 52 2 0 100 13 03 01 30 0 0.

6 Encoders etc. on the ND-side. Possibilities for adaptations. gear Ratio Indication of gear ratio. The worm wheel is made of high-quality 1 52 2 0 100 13 03 01 30 0 0. bronze with a specially fine combination of qualities with regard to low friction, wear and much strength. Oil / Lubricants Oils / Lubricants for different operating temperatures and for 1 52 2 0 100 13 03 01 30 0 0. special environments. As standard, the gear is life-lubricated with fully synthetic oil. Finish 1 52 2 0 100 13 03 01 30 0 0. Surface treatment in different variants. Possibility of chosing your own surface treatment and colour. 4. C Selection Guide 1 52 2 0 100 13 03 01 30 0 0. gear Size The BJ- worm gear is available in 5 standard sizes with housing of cast iron. Other housing materials and sizes available on request. 42,5.

7 52,5. 61,0. 79,0. 99,0. Series 42 Series 52 Series 61 Series 79 Serie 99. The individual sizes are numbered according to the centre distances between worm and worm wheel. A gear with a centre distance of is designated Series 52 and is assigned number 52 on position no. 2 in the type designation. gear Ratio BJ- worm Gears are available with the following nominal gear ratios: Series 42 only No. 07 10 15 20 30 40 50 60 05 25 75. gear Ratio 7:1 10:1 15:1 20:1 30:1 40:1 50:1 60:1 5,4:1 25:1 75:1. For exact values, see tables of effect on page 27 til 29. Other gear ratios on request. Dimensioning gear Size and gear Ratio Product Configurator By using the graphs on subsequent pages, you can dimension gear size, gear ratio and number of revolutions as well as motor according to your requirement. Alternatively, you can use the tables on pages 27 to 29.

8 By means of these tables you can also find the service factor of the chosen gear as well as information on the exact ratio of the gear . Configure worm Gears online on 5. Dimensioning n is the rotating speed of output shaft. Output Torque Nm Input 700 min-1 mi n-1 in-1 in-1. m m min -1. 5m in- 1. mini n-1. = 12 = 14 = 18 = 23 = 3 = 4 in -1. :1, n :1, n :1, n :1,n :1,n :1 ,n = 0m -1. 60 50 40 0 20. 3 15 1, n min 10: 1 00. n=. :1 , Input Power kW. Output Torque Nm Input 900 min-1. Input Power kW. 6. Product Configurator Configure worm Gears online on Output Torque Nm Input 1,400 min-1. Example: Required: 70 Nm at 50 min-1. Best match: Series 52. gear Ratio 30:1. Input kW. Output 74 Nm at 47 min-1. Input Power kW. Output Torque Nm Input 2,800 min-1. Input Power kW. 7. Mounting of gear 1 52 2 0 100 13 03 01 30 0 0.

9 Housing Type 1. Housing Type 1. Housing Type 2. Housing Type 3. Mounting in gear Housing Mounting at Side Flange Housing with Support, Housing with Support, worm at Top worm at Bottom Housing Type Designation Number 10 11 20 30. Choice of Output Shaft 1 52 2 0 10 0 13 03 01 30 0 0. Free Shaft, Free Shaft, Double Free, Hollow Shaft, Hollow Shaft, Right Left Shaft Mounting Mounting Holes Right Holes Left Output Shaft Types 18 [mm] = 47 18 [mm] = 57. 20 [mm] = 41 20 [mm] = 51. 24 [mm] = 42 24 [mm] = 52. Designation 25 [mm] = 43 25 [mm] = 53. Number Standard, 10 Standard, 20 30. 30 [mm] = 44 30 [mm] = 54. Indicating Shaft 35 [mm] = 45 35 [mm] = 55. Type and Size 38 [mm] = 65 38 [mm] = 75. 40 [mm] = 48 40 [mm] = 58. 45 [mm] = 49 45 [mm] = 59. 48 [mm] = 46 48 [mm] = 56. Series 42 Series 52 Series 61 Series 79 Series 99.

10 18 [mm] 18 [mm] 25 [mm] 30 [mm] 35 [mm]. Hollow * 20 [mm] 20 [mm] * 30 [mm] * 35 [mm] 38 [mm]. Shaft Sizes * 24 [mm] 35 [mm] 38 [mm] 40 [mm]. 25 [mm] 38 [mm] 40 [mm] 45 [mm]. Available * 48 [mm]. * Standard. Other shaft sizes on request, please contact our specialists. Choice of Output Shaft / Material 1 52 2 0 10 0 12 02 01 30 0 1. Ball Bearing Material Number Deep Groove Ball Bearings Steel 0 Standard for series 42, 52, 61 and 79. Deep Groove Ball Bearings Stainless Steel 1 Available Tapered Roller Bearings Steel 2 Standard for series 99. Tapered Roller Bearings Stainless Steel 3 Available Customized side flange: Customized output shaft: The side flange may for instance be manufactured to fit directly The output shaft may be manufactured in customized diameters into the machine where it is to be used.