{"id":613,"date":"2020-07-17T08:51:24","date_gmt":"2020-07-17T08:51:24","guid":{"rendered":"https:\/\/saq0hpur0o.wpdns.site\/?p=613"},"modified":"2020-07-20T05:27:41","modified_gmt":"2020-07-20T05:27:41","slug":"design-of-sheet-pressing-cylinder-of-hydraulic-shearing-machine","status":"publish","type":"post","link":"https:\/\/hecter.cn\/cs\/design-of-sheet-pressing-cylinder-of-hydraulic-shearing-machine\/","title":{"rendered":"N\u00e1vrh lisu v\u00e1lce hydraulick\u00e9ho st\u0159ihac\u00edho stroje"},"content":{"rendered":"

The hydraulick\u00e9<\/a> st\u0159ihac\u00ed stroj m\u00e1 mnoho v\u00fdhod. Vysok\u00e1 rychlost, vysok\u00e1 st\u0159i\u017en\u00e1 s\u00edla, vysok\u00e1 \u00fa\u010dinnost a ochrana proti p\u0159et\u00ed\u017een\u00ed p\u0159i \u0159ez\u00e1n\u00ed ocelov\u00fdch plech\u016f. P\u0159i \u0159ez\u00e1n\u00ed ocelov\u00e9ho plechu je t\u0159eba ocelov\u00fd plech upevnit. Tak\u017ee p\u0159ed n\u016f\u017ekami bude \u0159ada. Obvykle se des\u00edtk\u00e1m za\u0159\u00edzen\u00ed \u0159\u00edk\u00e1 p\u0159\u00edtla\u010dn\u00e9 patky, kter\u00e9 se pou\u017e\u00edvaj\u00ed k upevn\u011bn\u00ed ocelov\u00e9 desky (obrobku). Zaji\u0161\u0165uje velikost \u0159ezu a zabra\u0148uje vyl\u00e9tnut\u00ed ocelov\u00e9ho plechu.<\/p>\n\n\n\n

Pracovn\u00ed princip<\/a> lisovac\u00edho v\u00e1lce<\/h3>\n\n\n\n

Jak je zn\u00e1zorn\u011bno na obr\u00e1zku 1, v p\u0159irozen\u00e9m stavu p\u0159\u00edtla\u010dn\u00e9 patky. P\u00edstn\u00ed ty\u010d se pohybuje nahoru a zasouv\u00e1 se p\u016fsoben\u00edm s\u00edly pru\u017einy tla\u010dn\u00e9 pru\u017einy. P\u0159i zav\u00e1d\u011bn\u00ed hydraulick\u00e9ho oleje do horn\u00ed dutiny p\u00edstnice. P\u00edstn\u00ed ty\u010d p\u0159ekon\u00e1v\u00e1 s\u00edlu pru\u017einy p\u0159i pohybu hydraulick\u00e9ho tlaku. T\u00edm p\u0159itla\u010d\u00edte ocelovou desku (obrobek), abyste dos\u00e1hli pevn\u00e9ho smyku obrobku. Je t\u0159eba poznamenat, \u017ee po\u010det p\u0159\u00edtla\u010dn\u00e9 patky v p\u0159\u00ed\u010dn\u00e9m sm\u011bru (n\u016f\u017eky) je n\u011bkolik. Proto jakmile \u010d\u00e1st unikne olej, zp\u016fsob\u00ed v\u00e1\u017en\u00e9 zne\u010di\u0161t\u011bn\u00ed obrobku. Obvykle je t\u0159eba obrobek ocelov\u00e9ho plechu nat\u0159\u00edt, co\u017e nep\u0159\u00edzniv\u011b ovlivn\u00ed p\u0159ilnavost barvy. Tato \u010d\u00e1st tedy mus\u00ed b\u00fdt zape\u010det\u011bn\u00e1 a spolehliv\u00e1.<\/p>\n\n\n\n

\"lisovac\u00ed
Obr\u00e1zek 1 Sch\u00e9ma pracovn\u00edho principu v\u00e1lce pro lisov\u00e1n\u00ed list\u016f<\/figcaption><\/figure><\/div>\n\n\n\n

Struktura design<\/a> lisovac\u00edho v\u00e1lce na plech<\/h3>\n\n\n\n

Jak je zn\u00e1zorn\u011bno na obr\u00e1zku 2, je to pr\u016f\u0159ez navr\u017een\u00e9ho v\u00e1lce pro lisov\u00e1n\u00ed list\u016f.<\/p>\n\n\n\n

\"\"

Obr\u00e1zek 2 Pohled v \u0159ezu na lisovac\u00ed v\u00e1lec listu<\/figcaption><\/figure><\/div>\n\n\n\n

T\u011bsn\u011bn\u00ed mezi lisem v\u00e1lce a r\u00e1mem<\/h4>\n\n\n\n

T\u011bsn\u011bn\u00ed mezi v\u00e1lcem pro lisov\u00e1n\u00ed plech\u016f a r\u00e1mem je mimo O-krou\u017eek 46 \u00d7 3,0. A vytla\u010dovac\u00ed mezera je 3,0-2,6 = 0,4 mm, co\u017e je statick\u00e9 t\u011bsn\u011bn\u00ed.<\/p>\n\n\n\n

Konstrukce hlavn\u00edho t\u011bsn\u011bn\u00ed p\u00edstnice<\/h4>\n\n\n\n

Dynamick\u00e9 t\u011bsn\u011bn\u00ed \u010d\u00e1sti p\u00edstn\u00ed ty\u010de pou\u017e\u00edv\u00e1 2 t\u011bsnic\u00ed krou\u017eky UN25 \u00d7 33 \u00d7 5, materi\u00e1l je polyuretan. A v\u011bt\u0161ina struktur je jednoduch\u00e1 t\u011bsn\u011bn\u00ed, tak\u017ee tato \u010d\u00e1st je n\u00e1chyln\u00e1 k \u00faniku oleje. Zde je navr\u017eeno dal\u0161\u00ed t\u011bsn\u011bn\u00ed a materi\u00e1l je tak\u00e9 vyroben z dobr\u00e9 odolnosti proti opot\u0159eben\u00ed. Polyuretanov\u00fd materi\u00e1l s v\u011bt\u0161\u00ed tvrdost\u00ed dosahuje dlouh\u00e9 \u017eivotnosti t\u011bsn\u011bn\u00ed.<\/p>\n\n\n\n

Proveden\u00ed vodic\u00edho p\u00e1su<\/h4>\n\n\n\n

Navr\u017een je vodic\u00ed p\u00e1s 6 \u00d7 2,5. Kdy\u017e m\u00e1 obrobek p\u0159\u00ed\u010dnou s\u00edlu, m\u016f\u017ee vodic\u00ed p\u00e1s p\u0159en\u00e1\u0161et radi\u00e1ln\u00ed s\u00edlu, chr\u00e1nit p\u00edstn\u00ed ty\u010d a t\u011bsnic\u00ed krou\u017eek. A zabra\u0148te po\u0161kr\u00e1b\u00e1n\u00ed p\u00edstnice a zp\u016fsoben\u00ed \u00faniku oleje.<\/p>\n\n\n\n

Z\u00e1v\u011br<\/h3>\n\n\n\n

Po v\u00fd\u0161e zac\u00edlen\u00e9 teorii v kombinaci se skute\u010dn\u00fdmi v\u00fdpo\u010dty se po vylep\u0161en\u00e9 konstrukci pou\u017e\u00edv\u00e1 v hydraulick\u00e9m n\u016f\u017ekov\u00e9m stroji a dos\u00e1hlo v\u00fdznamn\u00e9ho zlep\u0161ovac\u00edho efektu. \u017divotnost t\u011bsn\u011bn\u00ed v\u00e1lce pro lisov\u00e1n\u00ed plech\u016f m\u016f\u017ee dos\u00e1hnout 3 roky nebo v\u00edce, \u010d\u00edm\u017e se dos\u00e1hne c\u00edle dlouh\u00e9 \u017eivotnosti, zlep\u0161en\u00ed kvality povrchu obrobku ocelov\u00e9ho plechu a nezp\u016fsob\u00ed n\u00e1sledn\u00e9 zne\u010di\u0161t\u011bn\u00ed olejem, kter\u00e9 si zaslou\u017e\u00ed popularizaci a aplikace od vrstevn\u00edk\u016f.<\/p>","protected":false},"excerpt":{"rendered":"

The hydraulic shearing machine has many advantages. Such as high speed, high shearing force, high efficiency, and protection against overload<\/p>","protected":false},"author":3,"featured_media":616,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[368,370,371],"class_list":["post-613","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-shearing-machine","tag-shearing-machine","tag-sheet-pressing-cylinder","tag-working-principle"],"jetpack_featured_media_url":"https:\/\/hecter.cn\/wp-content\/uploads\/2020\/07\/shearing-1.jpg","_links":{"self":[{"href":"https:\/\/hecter.cn\/cs\/wp-json\/wp\/v2\/posts\/613","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hecter.cn\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hecter.cn\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hecter.cn\/cs\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/hecter.cn\/cs\/wp-json\/wp\/v2\/comments?post=613"}],"version-history":[{"count":0,"href":"https:\/\/hecter.cn\/cs\/wp-json\/wp\/v2\/posts\/613\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hecter.cn\/cs\/wp-json\/wp\/v2\/media\/616"}],"wp:attachment":[{"href":"https:\/\/hecter.cn\/cs\/wp-json\/wp\/v2\/media?parent=613"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hecter.cn\/cs\/wp-json\/wp\/v2\/categories?post=613"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hecter.cn\/cs\/wp-json\/wp\/v2\/tags?post=613"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}