Hanyoyin Yanke Trapezoidal Thread

Zaren trapezoidal shine zaren watsawa da aka yi amfani da shi sosai, wanda kayan aikin injin CNC ke sarrafa shi. Saboda mafi girma daidaito bukatun ga trapezoidal zaren, da aiwatar da aiki zai zama mafi wahala saboda daidaito da wasu dalilai. Babban matsalolin za su kasance m ko huda. Idan kayan aikin ya lalace, injin zai lalace. Amma idan dai nazarin fasahar injin ɗin ya dace, ana amfani da ingantattun hanyoyin mashin ɗin, kuma ana amfani da umarnin shirye-shirye masu dacewa, ana iya yin zaren trapezoidal masu dacewa.

Yana da mahimmanci a fara. Idan kuna son yin zaren trapezoidal mai kyau, kuna buƙatar sanin yadda ake lissafin zaren trapezoidal.

kusurwar hakori: 30 ° an tsara shi a cikin ma'auni na kasar Sin, farar: daidaitacce ta ma'aunin zaren.

Faɗin Crest: f = 0.366P.

Faɗin ƙasan Alveolar: w = 0.366P-0.536αc

Zaren trapezoidal na waje: babban diamita (diamita mara kyau) d; diamita na tsakiya d2 = d-0.5P; ƙananan diamita d3 = d-2h3; tsayin hakori: h3 = 0.5P + αc

Lambar zaren trapezoidal: Lambar zaren trapezoidal tana wakilta ta harafin "Tr" da diamita na maras muhimmanci × farar, sashin shine mm. Zaren hannun hagu yana buƙatar alamar "LH" bayan ƙayyadaddun girman girman, kuma zaren na hannun dama baya buƙatar alama.

Ku zo kai tsaye zuwa muhimmin-CNC mota G76 bushe trapezoidal thread.

Tsarin shirye-shirye tare da umarnin G76

G76 P (m) (r) (α) Q (△ dmin) R (d)

G76 X (U) Z (W) R (i) P (k) Q (△ d) F (L)

m: lokutan ƙarewar zaren 00 ~ 99 (raka'a: sau).

r: chamfering adadin wutsiyar zaren, ana iya saita ƙimar tsakanin 00 da 99 (naúrar: 0.1 × L, L shine gubar).

α: kusurwar tip. Kuna iya zaɓar ɗayan 80 °, 60 °, 55 °, 30 °, 29 ° da 0 °.

△ dmin: Matsakaicin adadin ciyar da baya (ƙimar radius) lokacin da zaren ya kasance mai juyayi mai tsanani, naúrar: μm. Lokacin da adadin ciyarwar baya yayin aikin sake zagayowar ya kasance ƙasa da wannan ƙimar, adadin ciyarwar baya yana kulle a wannan ƙimar.

d: Izinin injina (ƙimar radius) na gama zaren, naúrar: mm.

X, Z: Haɗin kai na ƙarshen ƙarshen zaren.

U, W: Ƙimar daidaita madaidaicin madaidaicin madaurin zaren dangane da wurin farawan zagayowar.

i: Bambancin radius na zaren (makon farawa na yanke zaren dangane da ƙarshen yanke zaren), naúrar: mm.

k: tsayin zaren (ƙimar radius), naúrar: μm. Yi lissafin ta k = 0.6495P.

△ d: adadin wukar da zaren farko ya ci baya, raka'a: μm.

L: gubar zaren, naúrar: mm.

Rayuwa don koyo, amfani da babu tsayawa, ɗauki Tr36X6 a matsayin misali don amfani da G76 a zahiri

Tsayin hakori h3 = 0.5P ＋ αc = 3.5

Babban diamita d = 36;

Ƙananan diamita d = d-2h3 = 36-2 × 3.5 = 29

Juya zaren trapezoidal

(1) Rubuta shirin don saita mafi ƙarancin adadin ciyarwar baya na m juya trapezoidal zaren zuwa 0.05mm, da sauran adadin karewa juya zuwa 0.06mm.

Rubuta shirin NC na trapezoidal thread.

O0001;

T0303 (wukar trapezoid);

M03 S400;

G43 G99 G40;

G00 X38 Z5;

G76 P020530 Q50 R0.06; (Saita ƙare sau biyu, adadin chamfering daidai yake da sau 0.5 na farar, kusurwar bayanin martaba shine 30 °, ƙaramin adadin ciyar da baya lokacin da zaren ya kasance mai juyayi shine 0.05mm, kuma ƙarshen juyawa shine 0.06 mm.)

G76 X29 Z-38 P3500 Q600 F6; (An saita tsayin zaren zuwa 3.5mm, zurfin yankan wuka na farko shine 0.6mm.)

G00 X100;

Z100;

M05;

M30;

Shiga wannan labarin ： Yadda za a Yanke Zaren Trapezoidal?

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