Halayen gaiters

Halayen gaiters

Hanyoyi don motsin rajistan ayyukan na iya zama mai ci gaba ko na ɗan lokaci. Tare da ci gaba da motsi, log ɗin yana motsawa akai-akai kuma a ko'ina yayin aiki da bugun da ba shi da aiki na firam ɗin gater. Tare da motsi na tsaka-tsaki, log ɗin yana motsawa kawai don sashi ɗaya na kowane juyi na shaft - lokaci-lokaci. Za'a iya yin motsi na ɗan lokaci yayin aiki ko gudu marar aiki na gater.

Ana amfani da ci gaba da motsi a cikin masu tsaron ƙofa mai hawa biyu masu sauri tare da adadi mai yawa na juyin juya hali; motsi na tsaka-tsaki - a cikin gaiters masu motsi tare da ƙananan adadin juyin juya hali.

Don yanke katako a kan gutter, ya zama dole cewa saws a cikin gutter suna da wani gangare. Girman gangaren mizani an ƙaddara ta hanyar ci gaba da ƙirar motsi: 

y: Δ / 2 + (1/2) mm; don motsi na tsaka-tsaki a lokacin aikin bugun jini y = 2 zuwa 5 mm; don motsi na tsaka-tsaki yayin rashin aiki y = Δ + (1/2) mm.

Anan, y shine nagi na saw a cikin firam, mm; Δ - motsi na katako ko katako yayin jujjuyawar jujjuyawar gater, mm.

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Hoto 1: Inclinometer don auna yawan karkatar da zato

Ana duba overhang (ƙaddamar) na zato tare da ma'aunin ma'auni. The overhang ma'auni ya ƙunshi nau'i biyu na karfe da aka haɗa da haɗin gwiwa a saman, kuma a ƙarshen ƙarshen tare da tsiri mai jujjuyawa tare da magana don wucewar dunƙule mai tayar da hankali tare da ƙwayar malam buɗe ido. An daidaita matakin ruhu akan tsiri ɗaya na karfe. Ana karanta karkatarwa a cikin mm akan tsawon bugun firam akan sikelin, wanda ke ƙasan kayan haɗi (fig. 1).

Don yanke allunan ko katako na kauri da ake buƙata tsakanin saws a cikin firam, ana shigar da shigarwa (masu rarrabawa), faɗin wanda ya dace daidai da kauri na katako da za a yanke.

Spanung wani tsari ne na saws a cikin firam tare da saita nisa tsakanin su, akan abin da aka samo katakon katako na matakan da ake bukata. An ƙayyade kauri na abin da aka saka bisa ga dabara S = a + b + 2c mm. Inda S shine kauri na abin da aka saka; a - kauri mai ƙima; b - wuce haddi don bushewa; c - girman yaduwar hakora a gefe guda. 

Abubuwan da aka saka (siffa 2) an yi su ne da itace mai bushe (tare da matsakaicin zafi na 15%) Birch, chub, beech, ash.

Hoton allo na 20190926

Hoto 2: Saka (masu rarrabawa)

Ana ba da izinin bushewa zuwa nisa da tsayin tsayin itacen coniferous - Pine, spruce, fir, cedar da larch, wanda aka samu yayin yankan gauraye (tare da tsarin tangential-radial na zoben shekara-shekara) na rigar rajistan ayyukan ko lokacin yankan rigar. katakon katako don tabbatar da samun ma'aunin da ake buƙata na kayan a cikin bushewa.

The sawn itacen conifers da aka lissafa sun kasu kashi biyu bisa ga girman girman bushewa: na farko ya haɗa da Pine, spruce, cedar da fir, na biyu ya haɗa da larch.

An ba da kauri da faɗin ma'auni na katakon katako tare da abun ciki na danshi na farko sama da 30% da ɗanshi na ƙarshe na 15% a cikin Tebur 1. 

Tebur 1: Girma don bushewa itacen coniferous sawn, mm

Girman katakon katako ta kauri da nisa bayan bushewa, mm (tare da zafi 15%) Karin gishiri
Pine, spruce, fir, itacen al'ul (I rukuni) Larch (Rukunin II)

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0,5

0,6

0,8

1,0

1,0

1,0

1,5

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1,5

2,0

2,0

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3,0

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1,0

1,5

1,5

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2,0

2,0

2,0

2,5

2,5

2,5

3,5

3,5

3,5

4,0

4,0

4,0

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5,0

5,0

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6,0

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8,0

8,0

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Lokacin yankan katako ko katako tare da abun ciki na danshi a ƙasa da 30%, ana ƙididdige girman abin da ya wuce a matsayin bambanci tsakanin girman abin da ya wuce don danshi na ƙarshe da aka nema da wuce haddi na danshi na itace. Sawn itacen katako na nau'in katako, wanda ya hada da beech, hornbeam, birch, oak, elm, maple, ash, aspen, poplar, an raba su bisa ga adadin bushewa zuwa kungiyoyi biyu don jagorancin tangential kuma zuwa rukuni biyu don jagorancin radial.

Rukunin farko ya haɗa da Birch, itacen oak, maple, ash, alder, aspen da poplar, kuma na biyu - beech, hornbeam, elm da Linden.

Don katakon katako na radial rabin-radial (tare da jagorar hatsi mai tangential-radial), alawus ɗin da aka ƙaddara don itace tare da jagorar hatsi ya kamata a ba da su. Matsakaicin matakan kauri da faɗi don katako a cikin tangential da radial kwatance tare da abun ciki na farko na 35% abs. da ƙari kuma tare da zafi na ƙarshe na 10 da 15% abs., Kuma dangane da ƙungiyar, an ƙaddara bisa ga tebur 2.

Tebura 2: Ma'auni na girman katako na nau'in katako na katako, mm

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