Prejudicial turning treatment

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  • source:KAPLOWITZ CNC Machining
In mechanical drive circumgyrate motion turns into move back and forth moves point-blank or sharp movement turns into circumgyrate moves, use eccentric shafe or crankshaft to come true commonly. Outside circle and outside round axes is parallel and not coincide calls eccentric shafe. Inside aperture and outside round axes is parallel and not coincide call his prejudicial set. The distance between two axes line is namely below the eccentric throw that will discuss. Is turning prejudicial does traditional method have 4 kinds of: roughly? Mire  ㄅ lies? of copy of  of lamp of mill of Gu of core of eyebrow of ㄓ of ⒆ of copy of  of lamp of altar of ㄅ of  of  of ⑷ of copy of  of lamp of Xie of ゼ of broadleaf plant of ⒘ of copy of mill lamp  uses 4 claw the car is prejudicial, must change first 3 claw are 4 ungual chuck, calibration difficulty is greater, when taking a lot of work, definition is not high. Two top cars are prejudicial drill prejudicial center hole beforehand in two end, use 2 tips to withstand next, heart-shaped clip is dialed move, hit heart aperture precision to assure very hard. In the treatment on special fixture, to production lot relatively machine a method suitably greatly, to small lot or sheet production uses 3 claw to machine a method, need not change already clip claw does not need again bigger complementary provide and of take time adjust. Prejudicial to 3 ungual treatment the method of a tradition introduction is the space block that fills up certain ply in one claw, does space block ply use: of approximate experience formula law? ? of lament of wood of frowsty  of take along sth to sb.

5 times regard space block as ply, undertake trying machining, measure again through 1.

5 Δ E undertakes correction. The ability after be being amended through a few approximates prejudicial cost gradually namely: X=1.

5e+k. X is cushion is large, e is prejudicial value, k is correction, k ≈ 1.

5. Such certainly will arise for many times measure an error, wasteful man-hour is more at the same time. Recommend the little experience in a bit job for this, the real work proof that passes oneself is more feasible method. Set eccentric throw to be E, space block ply is X, 3 ungual clip hold place radius to be R, after the A in figure of figure of X=3/2e-R+(R2-3/4e2)½ of ply of the space block that seek testimony, B, C expresses to fill up thick X, the clip of 3 claw runs a point, d, E, F states the clip that did not fill up thick X runs a point, o runs round actual the centre of a circle for clip, m is prejudicial the centre of a circle after. Argumentation: OThe prejudicial value AD=X that M=e asks namely namely BMO=60 ° of ∠ of OB=R MA=R+X-e MB=MA=R+X-e of space block ply (3 claw are equational 360 ° , ∠ BMC=120 ° ) in triangular BMO: Is negative root of =[(R+X-e)2+e2-R2]/[2e(R+X-e)] 1/2=(R2+X2+e2+2RX-2Re-2eX+e2-R2)/(2eR+2eX-2e2) X2+(2R-3e)X+3e2-3Re=0 X=3/2e-R+(R2-3/4e2)½(of ° of OM) Cos60 of × of BMO=(BM2+OM2-OB2)/(2BM of ∠ of ∠ BMO=60 ° BM=R+X-e OM=e OB=R Cos abandoned go) citing: ? Write?Oslash;60 circle to handle a demand prejudicial X of ply of 2 space block is: 22)½=2 of × of 3/2 × 2-30+(302-3/4.

95 pass computative can see prejudicial treatment is not difficult. CNC Milling CNC Machining