point angle


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point angle

[′pȯint ‚aŋ·gəl]
(design engineering)
The angle at the point or edge of a cutting tool.
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References in periodicals archive ?
Results confirm study by Dornfeld, Kim, Dechow, Hewson, and Chen (1999), or rather, increase in point angle causes a significant reduction in burr height and burr thickness in the drilling of nonferrous metals.
Since increment in drill point angle enhances the contact area of drill bit lips which results increase in volume of material removal per revolution and shearing of material which ultimately increases the temperature (Basiagaet.
Moreover, as the point geometry of the twist drill is completely featured with the drill point angles such as the semipoint angle, the chisel edge angle, and the relief angle, the drilling forces depend naturally on the drill point angles.
A geometrical relation can be obtained between the field point angle and the incidence angle of the lower ray for a general q using the physical picture in Figure 4 as follows:
The effect of the observation point angle on the peak values of the electromagnetic fields are considered as shown in Figure 9 using a ground reflection factor of 0.
51) and measured from mesio-labio-incisal point angle to disto-labio-incisal point angle (mesiodistal width of maxillary central incisors (R & L) 8.
In addition, the effects of the channel angel and observation point angle (between the vector from channel base to image of observation point on the ground and the image of lightning channel on the ground surface) on the electromagnetic field values are evaluated.
The undeformed chip width is equivalent to the length of the drill lip, which depends on the point angle as well as the drill size.
0Mm Jobber Series Having Drill Point Angle 135 Degree To Is 5101/1991 Acceptable Brands: Addison, It Dagger, Bosch