Muhimmiyar Gargaɗi: Wannan rubutu ne na tarihin tarihi, ba lissafin injin na yanzu ba, kimanta haɗari ko littafin aiki. Dole ne a bincika adadin juyin juya hali, bugun jini, ƙaura, sojoji, ƙididdiga da ƙididdiga masu ƙima bisa ingantattun ƙa’idodi, takaddun masana’anta da takamaiman yanayin samarwa.
Wannan rubutun ba tayin inji bane ko takaddun sabis na Savo Kusić. tayin na yanzu yana mai da hankali kan tagogi, kofofin da mafita masu alaƙa.
Yawan juyi da girman bugun jini
Yawan juyi na shaft yana ƙayyade yawan aiki na gater. Mafi girman adadin juyi, haɓaka yawan aiki a daidai girman bugun bugun gaiter. Duk da haka, ba tare da lissafin da ya gabata ba, adadin juyi na shaft bai kamata ya karu ba, saboda wannan yana haifar da karuwa mai yawa a cikin ƙarfin inertial na tsaye, wanda zai iya haifar da gazawar gater. Yawan juyi na shaft yana fitowa daga200ku350a cikin minti daya. Firam ɗin tare da saws masu tayar da hankali yana motsawa sama da ƙasa kuma ta wannan hanyar an yanke katako. Nisan da firam ɗin gate ɗin ke tafiya daga mafi ƙanƙanta zuwa matsayi mafi girma ana kiransa girman bugun jini.**_
Girman bugun jini yana shafar aikin mai tsaron ƙofa. Tare da karuwa a cikin bugun jini, tare da adadin juyin juya hali, yawan aiki na gater yana ƙaruwa. Za a iya ƙara girman bugun jini idan an yi lissafi tukuna.
Mataki - ƙaura shine motsin katako yayin jujjuyawa ɗaya na shingen gater. Ana iya ƙayyade girman matakin ta ikon motar tuƙi bisa ga dabara:
Log maɓalli da tsarin tarihi
Δ =140N / Σhn mm inda Δ shine mataki na katako ko katako yayin jujjuyawar jujjuyawar gater, mm; N - wutar lantarki k x s; Σh - jimlar tsayin da aka yanke a tsakiyar tsayin katako; h - jimlar tsayin da aka yanke a tsakiyar tsayin katako, m; n - adadin juyi na shingen gater, min.
Za’a iya ƙididdige jimlar tsayin tsayi bisa ga nau’in Σh = α x dsr x z, inda α shine ma’auni, wanda ke nuna ma’anar tsayin yanke kuma wanda aka ɗauka.0,65-0,80lokacin da aka yanke katako. Lokacin da aka yanke katako, wannan ƙididdiga yana daidai da haɗin kai; dsr - diamita a tsakiyar log; z - adadin saws tightened a cikin firam.
Don yankan itacen oak, girman ƙaura ya kai60%, don lallashi -85%, ga wasika -70%, don Birch -80%daga offsets ga Pine da spruce da aka ba a cikin tebur1.
Bayanin tebur don gaters a tsaye
| D | 10-12 | 13-14 | 15-16 | 17-18 | 19-20 | 21-22 | 23-24 | 25-26 | 27-28 | 29-30 | 31-32 | 33-34 | 35-36 | 37-38 | 39-40 | 41-44 | 45-48 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| a | |||||||||||||||||
| 0 | 33 | 33 | 31 | 28 | 26 | 24 | 22 | 20 | 19 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 11 |
| 100 | – | – | 32 | 29 | 26 | 25 | 23 | 20 | 19 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 11 |
| 120 | – | – | – | 30 | 27 | 26 | 24 | 21 | 19 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 11 |
| 140 | – | – | – | – | 28 | 26 | 24 | 22 | 20 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 11 |
| 160 | – | – | – | – | – | 27 | 24 | 23 | 21 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 |
| 180 | – | – | – | – | – | – | 25 | 24 | 22 | 19 | 17 | 16 | 15 | 14 | 13 | 12 | 11 |
| 200 | – | – | – | – | – | – | 24 | 23 | 20 | 18 | 16 | 15 | 14 | 13 | 13 | 11 | |
| 220 | – | – | – | – | – | – | – | – | 24 | 21 | 19 | 17 | 15 | 15 | 13 | 13 | 11 |
| 240 | – | – | – | – | – | – | – | – | – | 22 | 20 | 18 | 16 | 15 | 14 | 13 | 11 |
| 260 | – | – | – | – | – | – | – | – | – | – | 21 | 19 | 17 | 16 | 14 | 14 | 12 |
| 280 | – | – | – | – | – | – | – | – | – | – | – | 21 | 18 | 16 | 15 | 14 | 12 |
| 300 | – | – | – | – | – | – | – | – | – | – | – | – | 20 | 16 | 16 | 15 | 12 |