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31. This paper focuses on: effects of different hobbing cutter's pressure angles and pressure angle values on gear machining when hobbing cutter to cut injection pump gear is designed.

32. Be proficient on the process of rough turning final turning , centering gear - hobbing and surface milling.

33. On the basis of the above discussion, the comprehensive compensation of hobbing gear is studied experimentally.

34. By using this method with both coarse and fine positioning, tool adjustment of non-circular gear hobbing could be automatically and repeatedly realized.

35. Deep drawing tools, shearing knives, trimming dies, wood-working tools, hobbing tools, compression and injection mould for filled plastics.

36. Sophisticated technology products, style, beauty, luxury, ordinary type, Mubing, plastic handle, pull teeth, hobbing, complete specifications.

37. The high - speed dry hobbing is a new advanced manufacturing technology that grows up since recent years.

38. The calculation method of cutting tool coefficient for hobbing and half - hobbing processing is discussed.

39. With grinding teeth, hobbing and shaping, shaving gear, and other processing methods.

40. Experimental results confirm that, it can achieve as high efficiency and accuracy as hobbing gear method.

41. This paper discussed the relationship between the involute pitch of tooth root and tooth profile involute in hobbing.

42. A new design of CNC system is suitable for gear cutting including hobbing, Srinding and shaping.

43. The processing precision of gear hobbing machine with zero-drive chain was analyzed. Aimed at the influence factors of the precision of gear, some measures were presented.

44. By improving gear hobbing machine technique, and fitting multiple cutter on lathe, changes complex technique to simple, finishes the precision-machined of globoid worm.

45. By establishing gear hobbing mathematic model, the forward some reference standard based on experiment.

46. This model has important meaning in analyzing the eigenfunction of the high-speed dry gear hobbing and studying the cutting mechanism.

47. A hobbing error compensation method is proposed according to the factors of forming the hobbing error.

48. Simultaneous - control structures of CNC machine tools for hobbing non - circular gears were investigated in this paper.

49. This paper presents a closed loop control system of hobbing machine tools.

50. Gear hobbing is the auto gear manufactural technology that applied most widely at home and abroad at present .

51. In this paper,(Sentence dictionary) causes generated by transmission chain errors of the gear hobbing machine are analysed.

52. The knowledge of gear manufacturing ( hobbing, grinding, bevel gears, etc ) is additional advantage.

53. Adopts the high-speed dry gear milling by flying cutter to simulate the gear hobbing using metal-cutting theory, sets up a cutting force model and derives the calculating formula of the milling force.

54. Suitable for lathe, milling machine, slotting machine, grinding machine, hobbing machine, broaching machine, drilling machine, tapping machine tools using.

55. Geometric error and thermal error are the principle error of direct - drive hobbing machines.

56. This machine tool use hobbing cutter adopt continuous cent tooth means roll cut, cans process straight teeth and a garden of stud gear or worm gear.

57. By this method which use both coarse and fine positioning, tool adjustment of non-circular gear hobbing can be automatic and repeated realized.

58. It is used to cut involute straight column gear on gear hobbing machine.

59. According to the capability of CNC, the synchronizing technique with master-slaver structure based on the software interpolation is fit for direct-drive gear hobbing machine.

60. A concise mathematical model for hobbing non - circular gear is set up.