这些传统加工方法存在的问题有：难以克服攻丝过程中的动态载荷，导致丝锥折断、阻塞、磨损等，同时加工质量不高。
Those traditional method are confronted with several problems: having difficulty with conquering dynamic load in tapping and leading to thread breaking, block, abrasion and low machining quality.
使用本保护剂，保证堆焊法，省工、省力、减少消耗，方便地将断坏丝锥从丝孔中取出，既不损坏丝孔又不损坏工件。
By using the said protective agent in build-up welding process, broken tap may be withdrawn easily without damaging screw hole and workpiece.
使用时，将左旋丝锥放入钻好的断骨的钻孔中，左旋转操作即可，铰制出左旋内螺纹。
When used, the left-hand tap is put into a drill hole of a drilled broken bone, and then operated by a left hand to make left-hand internal threads.
本文主要对螺旋槽丝锥的特性及M36螺旋槽丝锥设计中几何参数的研究进行论述。
This paper mainly analyses the properties of spiral fluted taps and studies how to select geometric parameters of the tap M36 in design.
对于丝锥尾方的加工可以采用磨削的方法，欲实现尾方加工过程的自动化，则磨削尾方专用机床的头架，因其动能是夹持工件，所以在加工过程中必须能自动分度。
The headstock of special purpose qrinder, which is used to hold workpieces, must be able to index automatically in the course of working to make the automatic grinding possible.
本文利用某引进高精度丝锥自动磨床的应用实例，着重讨论此类系统的特点及设计中的一些问题。
This paper discussed the chief features and some design problems of this system with respect to practical examples of certain imported high precision tap automatic grinding machine.
任何筒形丝锥的螺纹应该从表5中选择，且符合表5的要求。
The thread of any shell tapping shall be selected from and be in accordance with Table5.
认为是过时的今天，尽管它仍然是在非密集的应用中，如手(如绞刀，丝锥)经营的工具。
Considered obsolete today although it is still found in non-intensive applications such as hand operated tools (eg reamers and taps).
中径一公差是在丝锥的制造中所允许的变异量。
Effective Diameter-The tolerance is the amount of variation allowed in the manufacture of the tap.
介绍了涂层刀具与未涂层刀具在切削加工中的性能比较及试验研究。主要通过不重磨车刀的耐用度及丝锥的切削力（扭矩）等因素来展开试验分析。
Performance of the coated tool and non-coated tool in cutting process is analyzed through measuring durability of the indexable insert turning tool and cutting force (torsional moment) of tap.
介绍了涂层刀具与未涂层刀具在切削加工中的性能比较及试验研究。主要通过不重磨车刀的耐用度及丝锥的切削力（扭矩）等因素来展开试验分析。
Performance of the coated tool and non-coated tool in cutting process is analyzed through measuring durability of the indexable insert turning tool and cutting force (torsional moment) of tap.
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