{"id":2894,"date":"2026-02-05T01:34:54","date_gmt":"2026-02-05T01:34:54","guid":{"rendered":"https:\/\/www.materialstests.com\/products\/wtd-01-bending-resistance-tester\/"},"modified":"2026-02-05T01:34:54","modified_gmt":"2026-02-05T01:34:54","slug":"wtd-01-bending-resistance-tester","status":"publish","type":"products","link":"https:\/\/www.materialstests.com\/cs\/products\/wtd-01-bending-resistance-tester.html","title":{"rendered":"WTD-01 Tester odporu v ohybu"},"content":{"rendered":"

1. Zaveden\u00ed oh\u00fdb\u00e1n\u00ed\u00a0tester odporu<\/a><\/h2>\n

Na principu dvoubodov\u00e9ho zat\u00ed\u017een\u00ed,\u00a0\u00a0Tester odporu proti ohybu<\/strong>\u00a0se pou\u017e\u00edv\u00e1 ke stanoven\u00ed odolnosti pap\u00edru a lepenky proti ohybu. Pou\u017e\u00edv\u00e1 se pro m\u011b\u0159en\u00ed odporu proti ohybu v rozsahu 20 mN a\u017e10000 mN. Nen\u00ed pou\u017eiteln\u00fd pro vlnitou lepenku, ale lze jej pou\u017e\u00edt pro sou\u010d\u00e1sti takov\u00e9 lepenky.<\/p>\n

 <\/p>\n

2. Podm\u00ednky<\/h2>\n

Ohybov\u00e1 s\u00edla:<\/strong>\u00a0s\u00edla pot\u0159ebn\u00e1 k ohnut\u00ed obd\u00e9ln\u00edkov\u00e9ho zku\u0161ebn\u00edho t\u011blesa upnut\u00e9ho na jednom konci.<\/p>\n

Odolnost proti ohybu:\u00a0<\/strong>pr\u016fm\u011br v\u0161ech platn\u00fdch ode\u010dt\u016f nam\u011b\u0159en\u00e9 ohybov\u00e9 s\u00edly. Ohybov\u00e1 odolnost se vyjad\u0159uje v newtonech nebo milinewtonech.<\/p>\n

D\u00e9lka ohybu:<\/strong>\u00a0konstantn\u00ed radi\u00e1ln\u00ed vzd\u00e1lenost mezi svorkou a m\u00edstem na zku\u0161ebn\u00edm vzorku, na kter\u00e9 p\u016fsob\u00ed s\u00edla.<\/p>\n

\u00dahel ohybu:\u00a0<\/strong>\u00fahel, o kter\u00fd se svorka ot\u00e1\u010d\u00ed p\u0159i pohybu z v\u00fdchoz\u00ed polohy do polohy, ve kter\u00e9 se m\u011b\u0159\u00ed odpor p\u0159i ohybu.<\/p>\n

Voln\u00e1 d\u00e9lka:<\/strong>\u00a0celkov\u00e1 d\u00e9lka zku\u0161ebn\u00edho vzorku, kter\u00fd vy\u010dn\u00edv\u00e1 ze svorky.<\/p>\n

\"WTD-01<\/p>\n

3. Pro\u010d pot\u0159ebujete tester ohybov\u00e9ho odporu?<\/h2>\n

Tuhost pap\u00edru a lepenky v ohybu je m\u00edrou odolnosti materi\u00e1lu proti ohybu nebo deformaci. Tuhost v ohybu m\u00e1 z\u00e1sadn\u00ed v\u00fdznam v aplikac\u00edch, kde je t\u0159eba, aby materi\u00e1l udr\u017eel sv\u016fj tvar nebo odolal deformaci, nap\u0159\u00edklad p\u0159i v\u00fdrob\u011b obal\u016f, tisku a r\u016fzn\u00fdch v\u00fdrobk\u016f na b\u00e1zi pap\u00edru. Vysok\u00e1 tuhost v ohybu m\u016f\u017ee p\u0159isp\u011bt k lep\u0161\u00edmu v\u00fdkonu z hlediska tuhosti a stability.<\/p>\n

 <\/p>\n

4. Technick\u00e9 vlastnosti<\/h2>\n

M\u011b\u0159en\u00ed z v\u00edce \u00fahl\u016f:<\/strong>\u00a0Umo\u017e\u0148uje sou\u010dasn\u00e9 nastaven\u00ed a\u017e 3 zku\u0161ebn\u00edch \u00fahl\u016f. Mezi b\u011b\u017en\u011b pou\u017e\u00edvan\u00e9 zku\u0161ebn\u00ed \u00fahly pat\u0159\u00ed 7,5\u00b0, 15\u00b0 a 30\u00b0.<\/p>\n

Oh\u00fdb\u00e1n\u00ed \u010dasu:<\/strong>\u00a0Nab\u00edz\u00ed flexibilitu p\u0159i volb\u011b r\u016fzn\u00fdch dob oh\u00fdb\u00e1n\u00ed v z\u00e1vislosti na pru\u017enosti materi\u00e1lu.<\/p>\n

U\u017eivatelsk\u00e9 rozhran\u00ed:<\/strong>\u00a0Pou\u017e\u00edv\u00e1 7palcov\u00fd dotykov\u00fd displej, kter\u00fd umo\u017e\u0148uje vizu\u00e1ln\u00ed ovl\u00e1d\u00e1n\u00ed menu.<\/p>\n

Tiskov\u00fd v\u00fdstup:<\/strong>\u00a0Je vybaven modul\u00e1rn\u00ed integrovanou termotisk\u00e1rnou, kter\u00e1 umo\u017e\u0148uje rychl\u00fd a snadn\u00fd tisk v\u00fdsledk\u016f test\u016f.<\/p>\n

\"WTD-01<\/p>\n

5. Princip testu<\/h2>\n

M\u011b\u0159en\u00ed s\u00edly pot\u0159ebn\u00e9 k ohnut\u00ed zku\u0161ebn\u00edho t\u011blesa sev\u0159en\u00e9ho na jednom konci pod ur\u010dit\u00fdm \u00fahlem, obvykle 15\u00b0, p\u0159i\u010dem\u017e s\u00edla p\u016fsob\u00ed p\u0159i ur\u010dit\u00e9 d\u00e9lce ohybu (50 mm nebo 10 mm). Odolnost proti ohybu se vypo\u010d\u00edt\u00e1 jako pr\u016fm\u011br nam\u011b\u0159en\u00fdch sil.<\/p>\n

 <\/p>\n

6. Aplikace<\/h2>\n

Balen\u00ed:<\/strong>\u00a0Tuhost v ohybu je d\u016fle\u017eit\u00e1 pro zaji\u0161t\u011bn\u00ed toho, aby obalov\u00e9 materi\u00e1ly udr\u017eely sv\u016fj tvar a poskytovaly dostate\u010dnou ochranu obsahu.<\/p>\n

Tisk:<\/strong>\u00a0V tiskov\u00fdch procesech, zejm\u00e9na p\u0159i vysokorychlostn\u00edm tisku, je \u017e\u00e1douc\u00ed pap\u00edr s vhodnou tuhost\u00ed v ohybu, aby se p\u0159ede\u0161lo probl\u00e9m\u016fm, jako je zasek\u00e1v\u00e1n\u00ed pap\u00edru.<\/p>\n

V\u00fdrobky z lepenky:\u00a0<\/strong>V\u00fdrobky, jako jsou kartony a v\u00fdstavn\u00ed tabule, maj\u00ed v\u00fdhodu dostate\u010dn\u00e9 tuhosti v ohybu pro zaji\u0161t\u011bn\u00ed struktur\u00e1ln\u00ed integrity.<\/p>\n

 <\/p>\n

7. Specifikace<\/h2>\n
\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Testovac\u00ed rozsah<\/td>\n\uff080~10000\uff09mN<\/td>\n<\/tr>\n
Rozli\u0161en\u00ed<\/td>\n0,1 mN<\/td>\n<\/tr>\n
P\u0159esnost<\/td>\n\u00b1 0,51 TP4T F.S.<\/td>\n<\/tr>\n
D\u00e9lka ohybu<\/td>\n5, 10, 15, 20, 25, 30, 40, 50 mm<\/td>\n<\/tr>\n
\u00dahel ohybu<\/td>\n1 \u00b0~ 90 \u00b0<\/td>\n<\/tr>\n
Rychlost oh\u00fdb\u00e1n\u00ed<\/td>\n0.5~50 \u00b0 \/ s<\/td>\n<\/tr>\n
P\u0159esnost rychlosti<\/td>\n\u00b1 0.1\u00b0<\/td>\n<\/tr>\n
Typ svorky<\/td>\nManu\u00e1ln\u00ed<\/td>\n<\/tr>\n
Tlou\u0161\u0165ka vzorku<\/td>\n0,01 ~ 5 mm<\/td>\n<\/tr>\n
Velikost vzorku<\/td>\n38*70 mm<\/td>\n<\/tr>\n
Obrazovka<\/td>\n7\" barevn\u00e1 dotykov\u00e1 obrazovka<\/td>\n<\/tr>\n
Tisk\u00e1rna<\/td>\nTepeln\u00fd typ<\/td>\n<\/tr>\n
Power<\/td>\n220 V, 50 Hz<\/td>\n<\/tr>\n
Rozm\u011br<\/td>\n380 \u00d7 390 \u00d7 255 mm LHW<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

 <\/p>\n

\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n
Velikost vzorku<\/td>\n(70*38)mm Vzorek tuhosti\uff1b<\/td>\n<\/tr>\n
\uff0838*36\uff09Zv\u00fd\u0161en\u00ed tuhosti vzorku<\/td>\n<\/tr>\n
Paralelismus<\/td>\n\u22640,015 mm<\/td>\n<\/tr>\n
Tlou\u0161\u0165ka odb\u011bru vzork\u016f<\/td>\n(0,1 ~ 1,2) mm<\/td>\n<\/tr>\n
Rozm\u011br<\/td>\n300*90*90 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

 <\/p>\n

8. Standardn\u00ed<\/h2>\n

GB\/T 2679-3, GB\/T 22364, GB\/T 23144, QB\/T5559, ISO 5628, ISO 2493-1, TAPPI T 556, DIN 53121, BS 3748, AS\/NZ 1301-4535, SCAN P29<\/p>\n

 <\/p>\n

9. Konfigurace<\/h2>\n

a) Standardn\u00ed konfigurace:\u00a0WTD-01 Tester tuhosti v ohybu<\/strong>, role pap\u00edru, p\u0159\u00edru\u010dka, kalibra\u010dn\u00ed certifik\u00e1t, nap\u00e1jec\u00ed kabel.<\/p>\n

b) Voliteln\u00e1 konfigurace: standardn\u00ed hmotnost, n\u00e1kladn\u00ed bu\u0148ka.<\/p>\n

\"WTD-01<\/p>\n

10. Nej\u010dast\u011bj\u0161\u00ed dotazy<\/h2>\n

Jak\u00e9 faktory ovliv\u0148uj\u00ed tuhost pap\u00edru a lepenky v ohybu?<\/strong><\/p>\n

Tuhost pap\u00edru a lepenky v ohybu m\u016f\u017ee b\u00fdt ovlivn\u011bna n\u011bkolika faktory. Zde jsou uvedeny kl\u00ed\u010dov\u00e9 faktory, kter\u00e9 hraj\u00ed roli p\u0159i ur\u010dov\u00e1n\u00ed tuhosti t\u011bchto materi\u00e1l\u016f v ohybu:<\/p>\n

1.\u00a0Tlou\u0161\u0165ka materi\u00e1lu:<\/strong>\u00a0Obecn\u011b plat\u00ed, \u017ee siln\u011bj\u0161\u00ed materi\u00e1ly vykazuj\u00ed vy\u0161\u0161\u00ed tuhost v ohybu. Tlou\u0161\u0165ka pap\u00edru nebo lepenky je v\u00fdznamn\u00fdm faktorem ovliv\u0148uj\u00edc\u00edm jejich schopnost odol\u00e1vat ohybu.<\/p>\n

2.\u00a0Typ a orientace vl\u00e1kna:\u00a0<\/strong>Typ vl\u00e1ken pou\u017eit\u00fdch v pap\u00edru nebo lepence a jejich orientace mohou ovlivnit tuhost v ohybu. Del\u0161\u00ed a v\u00edce zarovnan\u00e1 vl\u00e1kna maj\u00ed tendenci p\u0159isp\u00edvat k vy\u0161\u0161\u00ed tuhosti.<\/p>\n

3.\u00a0Tvorba listu:\u00a0<\/strong>Zp\u016fsob rozlo\u017een\u00ed a tvarov\u00e1n\u00ed vl\u00e1ken v plechu m\u016f\u017ee ovlivnit tuhost v ohybu. Rovnom\u011brn\u00e9 a dob\u0159e orientovan\u00e9 rozlo\u017een\u00ed vl\u00e1ken m\u016f\u017ee p\u0159isp\u011bt ke zv\u00fd\u0161en\u00ed tuhosti.<\/p>\n

4.\u00a0Obsah vlhkosti:<\/strong>\u00a0Vlhkost pap\u00edru a lepenky m\u016f\u017ee ovlivnit jejich pru\u017enost a n\u00e1sledn\u011b i tuhost v ohybu. Vy\u0161\u0161\u00ed vlhkost m\u016f\u017ee tuhost sn\u00ed\u017eit.<\/p>\n

5.\u00a0Rovnom\u011brnost t\u0159men\u016f:<\/strong>\u00a0Tlou\u0161\u0165ka materi\u00e1lu se ozna\u010duje kaliperem. Rovnom\u011brn\u00fd kalibr nap\u0159\u00ed\u010d plechem p\u0159isp\u00edv\u00e1 ke konzistentn\u00ed tuhosti v ohybu.<\/p>\n

6.\u00a0Chemick\u00e9 p\u0159\u00edsady:<\/strong>\u00a0P\u0159\u00edtomnost n\u011bkter\u00fdch chemick\u00fdch l\u00e1tek, n\u00e1t\u011br\u016f nebo p\u0159\u00edsad ve slo\u017een\u00ed pap\u00edru nebo lepenky m\u016f\u017ee ovlivnit jejich mechanick\u00e9 vlastnosti, v\u010detn\u011b tuhosti v ohybu.<\/p>\n

7.\u00a0Teplota a vlhkost:<\/strong>\u00a0Podm\u00ednky prost\u0159ed\u00ed, jako je teplota a vlhkost, mohou ovlivnit vlastnosti pap\u00edru a lepenky. Zm\u011bny t\u011bchto podm\u00ednek mohou zm\u011bnit tuhost v ohybu.<\/p>\n

8.\u00a0Procesy lisov\u00e1n\u00ed a su\u0161en\u00ed:\u00a0<\/strong>Metody pou\u017eit\u00e9 p\u0159i lisov\u00e1n\u00ed a su\u0161en\u00ed v procesu v\u00fdroby pap\u00edru mohou ovlivnit vnit\u0159n\u00ed strukturu a n\u00e1sledn\u011b i tuhost v\u00fdsledn\u00e9ho produktu v ohybu.<\/p>\n

9.\u00a0Slo\u017een\u00ed buni\u010diny:<\/strong>\u00a0Typ a sm\u011bs buni\u010diny pou\u017e\u00edvan\u00e9 p\u0159i v\u00fdrob\u011b pap\u00edru hraj\u00ed z\u00e1sadn\u00ed roli. R\u016fzn\u00e9 druhy buni\u010diny maj\u00ed r\u016fznou d\u00e9lku vl\u00e1ken, co\u017e m\u016f\u017ee ovlivnit tuhost v ohybu.
\nPovlaky a povrchov\u00e9 \u00fapravy: N\u00e1t\u011bry nebo povrchov\u00e9 \u00fapravy pap\u00edru nebo lepenky mohou ovlivnit jejich mechanick\u00e9 vlastnosti, v\u010detn\u011b tuhosti v ohybu.<\/p>\n

10.\u00a0Hustota materi\u00e1lu:<\/strong>\u00a0Hustota pap\u00edru nebo lepenky m\u016f\u017ee ovlivnit jejich tuhost v ohybu. Vy\u0161\u0161\u00ed hustota \u010dasto souvis\u00ed se zv\u00fd\u0161enou tuhost\u00ed.<\/p>\n

 <\/p>\n

Pokud m\u00e1te pot\u0159ebu n\u00e1kupu, pros\u00edm\u00a0kontaktujte n\u00e1s<\/a>\u00a0a\u00a0Cell Instruments<\/a>\u00a0v\u00e1m poskytne uspokojiv\u00e9 produkty.<\/p>\n

\"WTD-01<\/a><\/p>\n

Pokud m\u00e1te z\u00e1jem o dal\u0161\u00ed informace o tomto produktu, nev\u00e1hejte n\u00e1s kontaktovat. Doporu\u010dujeme v\u00e1m dal\u0161\u00ed obl\u00edben\u00e9 produkty:\u00a0Tester tlou\u0161\u0165ky tk\u00e1n\u011b<\/a>,\u00a0Tester tlou\u0161\u0165ky pap\u00edru a lepenky<\/a>,\u00a0Tester kontejner\u016f<\/a>,\u00a0metoda zkou\u0161en\u00ed tlou\u0161\u0165ky tkaniny<\/a>,\u00a0v\u00fdznam testeru tlou\u0161\u0165ky tkaniny<\/a>,\u00a0V\u00fdrobce testeru flex gelbo<\/a>,\u00a0V\u00fdrobce Gelbo Flex Tester<\/a>,\u00a0Tester tlou\u0161\u0165ky tk\u00e1n\u011b v\u00fdrobce<\/a>,\u00a0V\u00fdrobce pap\u00edrov\u00fdch desek Tester<\/a><\/p>","protected":false},"excerpt":{"rendered":"

1. Tester odolnosti proti ohybu Tester odolnosti proti ohybu je zalo\u017een na principu dvoubodov\u00e9ho zat\u00ed\u017een\u00ed a slou\u017e\u00ed ke stanoven\u00ed odolnosti pap\u00edru a lepenky proti ohybu. Pou\u017e\u00edv\u00e1 se k m\u011b\u0159en\u00ed ohybov\u00e9ho odporu v rozsahu 20 mN a\u017e10000 mN. Nen\u00ed pou\u017eiteln\u00fd pro vlnitou lepenku, ale lze jej pou\u017e\u00edt na sou\u010d\u00e1sti t\u00e9to lepenky.<\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":false},"products-categories":[1468],"productstags":[1435,1474,1475,1476,1477,1478,1479],"class_list":["post-2894","products","type-products","status-publish","hentry","products-categories-paper-board-tester","productstags-gelbo-flex-resistance-tester","productstags-hydrolytic-resistance-of-glass-grains","productstags-ink-layer-abrasion-resistance-tester","productstags-needle-puncture-resistance","productstags-needle-puncture-resistance-test","productstags-needle-puncture-resistance-test-for-rubber-stopper","productstags-needle-puncture-resistance-test-for-vial-stopper"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.materialstests.com\/cs\/wp-json\/wp\/v2\/products\/2894","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.materialstests.com\/cs\/wp-json\/wp\/v2\/products"}],"about":[{"href":"https:\/\/www.materialstests.com\/cs\/wp-json\/wp\/v2\/types\/products"}],"version-history":[{"count":0,"href":"https:\/\/www.materialstests.com\/cs\/wp-json\/wp\/v2\/products\/2894\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.materialstests.com\/cs\/wp-json\/wp\/v2\/media?parent=2894"}],"wp:term":[{"taxonomy":"products-categories","embeddable":true,"href":"https:\/\/www.materialstests.com\/cs\/wp-json\/wp\/v2\/products-categories?post=2894"},{"taxonomy":"productstags","embeddable":true,"href":"https:\/\/www.materialstests.com\/cs\/wp-json\/wp\/v2\/productstags?post=2894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}