{"id":4291,"date":"2026-10-08T14:30:24","date_gmt":"2026-10-08T14:30:24","guid":{"rendered":"https:\/\/www.tgsteels.com\/?page_id=4291"},"modified":"2026-10-12T13:54:53","modified_gmt":"2026-10-12T13:54:53","slug":"1-2355-s7","status":"publish","type":"page","link":"https:\/\/www.tgsteels.com\/cs\/oceli-pro-praci-za-studena\/1-2355-s7\/","title":{"rendered":"2355 PRIME"},"content":{"rendered":"[vc_row type=“full_width_background“ full_screen_row_position=“middle“ column_margin=“default“ column_direction=“default“ column_direction_tablet=“default“ column_direction_phone=“default“ video_bg=“use_video“ video_mp4=“https:\/\/www.tgsteels.com\/wp-content\/uploads\/2025\/09\/hss-hero-1.mp4″ video_webm=“https:\/\/www.tgsteels.com\/wp-content\/uploads\/2025\/09\/hss-hero-1.webm“ video_ogv=“https:\/\/www.tgsteels.com\/wp-content\/uploads\/2025\/09\/hss-hero-1.ogv“ background_video_loading=“default“ scene_position=“center“ text_color=“dark“ text_align=“left“ row_border_radius=“none“ row_border_radius_applies=“bg“ overflow=“visible“ overlay_strength=“0.3″ gradient_direction=“left_to_right“ shape_divider_position=“bottom“ bg_image_animation=“none“ parallax_bg=“true“ parallax_bg_speed=“fast“ gradient_type=“default“ shape_type=““][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/2″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“ column_padding_type=“default“ gradient_type=“default“][divider line_type=“No Line“ custom_height=“450″][vc_column_text css=““ text_direction=“default“]\n

2355 PRIME (1.2355, 1.2357, 50CrMoV13-15, 5Cr3Mn1SiMo1V, SKD7, BH10, S7)<\/span><\/h1>\n[\/vc_column_text][divider line_type=“No Line“ custom_height=“50″][\/vc_column][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/2″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“][\/vc_column][\/vc_row][vc_row type=“in_container“ full_screen_row_position=“middle“ column_margin=“default“ column_direction=“default“ column_direction_tablet=“default“ column_direction_phone=“default“ scene_position=“center“ bottom_padding=“60″ text_color=“dark“ text_align=“left“ row_border_radius=“none“ row_border_radius_applies=“bg“ overflow=“visible“ overlay_strength=“0.3″ gradient_direction=“left_to_right“ shape_divider_position=“bottom“ bg_image_animation=“none“ gradient_type=“default“ shape_type=““][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/1″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“][vc_column_text css=““ text_direction=“default“]\n
\n

Vysoce hou\u017eevnat\u00e1 n\u00e1strojov\u00e1 ocel pro pr\u00e1ci za studena i za tepla s vysokou odolnost\u00ed v\u016f\u010di n\u00e1razu<\/h4>\n<\/div>\n[\/vc_column_text][vc_column_text css=““ text_direction=“default“]\n
\n

2355 PRIME;<\/p>\n

    \n
  • je st\u0159edn\u011b legovan\u00e1 ocel s vysokou hou\u017eevnatost\u00ed po jednoduch\u00e9m tepeln\u00e9m zpracov\u00e1n\u00ed.<\/li>\n
  • velmi dob\u0159e se hod\u00ed k povrchov\u00e9mu kalen\u00ed, jako je kalen\u00ed laserem a induk\u010dn\u00ed kalen\u00ed.<\/li>\n
  • lze ji pou\u017e\u00edt pro pr\u00e1ci za tepla i za studena.<\/li>\n
  • vyzna\u010duje se dobrou sva\u0159itelnost\u00ed (snadn\u00e1 \u00fadr\u017eba n\u00e1stroj\u016f)<\/em><\/li>\n
  • jednoduch\u00fdm tepeln\u00fdm zpracov\u00e1n\u00edm lze kalit a\u017e na 58 HRC.<\/li>\n<\/ul>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=“in_container“ full_screen_row_position=“middle“ column_margin=“default“ column_direction=“default“ column_direction_tablet=“default“ column_direction_phone=“default“ scene_position=“center“ bottom_padding=“60″ text_color=“dark“ text_align=“left“ row_border_radius=“none“ row_border_radius_applies=“bg“ overflow=“visible“ overlay_strength=“0.3″ gradient_direction=“left_to_right“ shape_divider_position=“bottom“ bg_image_animation=“none“ gradient_type=“default“ shape_type=““][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/1″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“][vc_column_text css=““ text_direction=“default“]\n
    \n

    Pou\u017eit\u00ed<\/h3>\n

    2355 PRIME lze pou\u017e\u00edt pro pr\u00e1ci za studena i za tepla na raz\u00edc\u00ed a d\u011brovac\u00ed n\u00e1stroje dal\u0161\u00ed druhy n\u00e1stroj\u016f s po\u017eadavkem na vysokou \u00farove\u0148 hou\u017eevnatosti.<\/p>\n

    Je mo\u017en\u00e9 ji pou\u017e\u00edvat pro pr\u00e1ci za studena i za tepla na v\u00fdrobu st\u0159ihac\u00edch a \u0159ezac\u00edch \u010depel\u00ed a dl\u00e1t.<\/p>\n<\/div>\n[\/vc_column_text][vc_column_text css=““ text_direction=“default“]\n

    \n

    Hlavn\u00ed vlastnosti<\/h3>\n
      \n
    • Velmi dobr\u00e1 hou\u017eevnatost<\/li>\n
    • Velmi dobr\u00e1 odolnost proti n\u00e1razu<\/li>\n
    • Dobr\u00e9 \u0159ezn\u00e9 vlastnosti<\/li>\n
    • Dobr\u00e1 odolnost proti opot\u0159eben\u00ed<\/li>\n<\/ul>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=“in_container“ full_screen_row_position=“middle“ column_margin=“default“ column_direction=“default“ column_direction_tablet=“default“ column_direction_phone=“default“ scene_position=“center“ bottom_padding=“60″ text_color=“dark“ text_align=“left“ row_border_radius=“none“ row_border_radius_applies=“bg“ overflow=“visible“ overlay_strength=“0.3″ gradient_direction=“left_to_right“ shape_divider_position=“bottom“ bg_image_animation=“none“ gradient_type=“default“ shape_type=““][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/1″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“][vc_column_text css=““ text_direction=“default“]\n
      \n

      Chemick\u00e9 slo\u017een\u00ed (typick\u00e9)<\/em><\/h3>\n<\/div>\n\n\n\n\n\n
      C<\/th>\nMn<\/th>\nSi<\/th>\nP<\/th>\nS<\/th>\nCr<\/th>\nMo<\/th>\nV<\/th>\n<\/tr>\n<\/thead>\n
      0.50<\/td>\n0.70<\/td>\n0.50<\/td>\n\u2264 0.03<\/td>\n\u2264 0.005<\/td>\n3.25<\/td>\n1.40<\/td>\n0.25<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n

      Ozna\u010den\u00ed<\/h3>\n<\/div>\n\n\n\n\n\n
      \u010c. materi\u00e1lu<\/th>\nISO<\/th>\n\u010c\u00edna GB<\/th>\nJIS Japonsko<\/th>\nUK<\/th>\nAISI USA<\/th>\nRusko Gost<\/th>\nAFNOR<\/th>\nJin\u00e9 \/ speci\u00e1ln\u00ed<\/th>\n<\/tr>\n<\/thead>\n
      1.2355 (\u2248 1.2357)<\/em><\/td>\n50CrMoV13-15<\/td>\n5Cr3Mn1SiMo1V<\/td>\nSKD7<\/td>\nBH10<\/td>\nS7<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=“in_container“ full_screen_row_position=“middle“ column_margin=“default“ column_direction=“default“ column_direction_tablet=“default“ column_direction_phone=“default“ scene_position=“center“ bottom_padding=“60″ text_color=“dark“ text_align=“left“ row_border_radius=“none“ row_border_radius_applies=“bg“ overflow=“visible“ overlay_strength=“0.3″ gradient_direction=“left_to_right“ shape_divider_position=“bottom“ bg_image_animation=“none“ gradient_type=“default“ shape_type=““][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/1″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“][vc_column_text css=““ text_direction=“default“]\n
      \n

      Struktura<\/h3>\n

      Vzhledem k nep\u0159\u00edli\u0161 velk\u00e9mu obsahu uhl\u00edku a pr\u016fm\u011brn\u00e9mu obsahu chromu je struktura 2355 PRIME jemn\u00e1 a homogenn\u00ed, bez vylou\u010den\u00fdch karbid\u016f nebo jejich shluk\u016f<\/p>\n

      Tvrdost p\u0159i dod\u00e1n\u00ed<\/h3>\n

      \u017d\u00edh\u00e1n\u00ed na max. 230 HB.<\/p>\n<\/div>\n[\/vc_column_text][vc_column_text css=““ text_direction=“default“]\n

      \n

      Physical properties<\/h3>\n<\/div>\n\n\n\n\n\n\n\n\n
      Teplota<\/th>\n20\u00b0C<\/th>\n350\u00b0C<\/th>\n500\u00b0C<\/th>\n<\/tr>\n<\/thead>\n
      Objemov\u00e1 hmotnost kg\/m3<\/sup><\/th>\n7850<\/td>\n7790<\/td>\n7750<\/td>\n<\/tr>\n
      Young\u016fv modul N\/mm\u00b2<\/th>\n210 000<\/td>\n200 000<\/td>\n188 000<\/td>\n<\/tr>\n
      Tepeln\u00e1 vodivost W\/m.K<\/th>\n29<\/td>\n31<\/td>\n32<\/td>\n<\/tr>\n
      Koeficient line\u00e1rn\u00ed rozta\u017enosti 10-6<\/sup>\/K<\/th>\n12.5<\/td>\n13.2<\/td>\n14.1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=“in_container“ full_screen_row_position=“middle“ column_margin=“default“ column_direction=“default“ column_direction_tablet=“default“ column_direction_phone=“default“ scene_position=“center“ bottom_padding=“60″ text_color=“dark“ text_align=“left“ row_border_radius=“none“ row_border_radius_applies=“bg“ overflow=“visible“ overlay_strength=“0.3″ gradient_direction=“left_to_right“ shape_divider_position=“bottom“ bg_image_animation=“none“ gradient_type=“default“ shape_type=““][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/1″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“][vc_column_text css=““ text_direction=“default“]\n
      \n

      Tepeln\u00e9 zpracov\u00e1n\u00ed<\/h3>\n

      M\u011bkk\u00e9 \u017e\u00edh\u00e1n\u00ed<\/h4>\n

      Teplota: 820 – 850\u00b0C, doba trv\u00e1n\u00ed 1 h + 1 h pro tlou\u0161\u0165ku 25 mm. pomal\u00e9 chlazen\u00ed v peci (10 a\u017e 20\u00b0C\/h)<\/em>. Atmosf\u00e9ra v peci mus\u00ed b\u00fdt reduk\u010dn\u00ed, aby nedo\u0161lo k oduhli\u010den\u00ed oceli.<\/p>\n

      Odstran\u011bn\u00ed pnut\u00ed<\/h4>\n

      Po obr\u00e1b\u011bn\u00ed se doporu\u010duje prov\u00e9st odstran\u011bn\u00ed vnit\u0159n\u00edho pnut\u00ed p\u0159i teplot\u011b 650\u00b0C po dobu minim\u00e1ln\u011b 2 hodin, n\u00e1sledovan\u00e9 pomal\u00fdm ochlazov\u00e1n\u00edm v peci na 450\u00b0C.<\/p>\n

      Austenitizace<\/h4>\n

      Aby se p\u0159ede\u0161lo riziku poprask\u00e1n\u00ed, doporu\u010duje se p\u0159edeh\u0159\u00edvat ve 2 kroc\u00edch.<\/p>\n

        \n
      • 1. krok p\u0159edeh\u0159evu: teplota: 450\u00b0C \u010das: 30 s\/mm tlou\u0161\u0165ky<\/li>\n
      • 2. krok p\u0159edeh\u0159evu: teplota: 800\u00b0C \u010das: 30 s\/mm tlou\u0161\u0165ky<\/li>\n<\/ul>\n

        Doporu\u010den\u00e1 teplota austenitizace: 930 – 960\u00b0C. Doba v\u00fddr\u017ee nesm\u00ed b\u00fdt p\u0159\u00edli\u0161 dlouh\u00e1, aby se p\u0159ede\u0161lo riziku hrubnut\u00ed zrn a ztr\u00e1t\u011b hou\u017eevnatosti. Jakmile teplota povrchu dos\u00e1hne teploty austenitizace, doporu\u010duje se udr\u017eovat d\u00edl p\u0159i teplot\u011b austenitizace 30 minut na palec tlou\u0161\u0165ky.<\/p>\n

        Kalic\u00ed m\u00e9dium<\/h4>\n

        Olej p\u0159i 80\u00b0C, vakuum (tlak > 6 bar\u016f)<\/em>, soln\u00e1 l\u00e1ze\u0148 500 – 550\u00b0C.
        \nPro zaji\u0161t\u011bn\u00ed dobr\u00e9 hou\u017eevnatosti je vhodn\u011bj\u0161\u00ed zpracov\u00e1n\u00ed za pou\u017eit\u00ed oleje nebo soln\u00e9 l\u00e1zn\u011b.
        \nTvrdost po kalen\u00ed je 59 – 61 HRC.<\/p>\n

        Zpracov\u00e1n\u00ed pod bodem mrazu<\/h4>\n

        U d\u00edl\u016f, kter\u00e9 maj\u00ed m\u00edt vysokou rozm\u011brovou stabilitu a vy\u0161\u0161\u00ed odolnost proti opot\u0159eben\u00ed bez sn\u00ed\u017een\u00ed hou\u017eevnatosti, se doporu\u010duje prov\u00e1d\u011bt zpracov\u00e1n\u00ed pod bodem mrazu p\u0159i teplot\u011b mezi -70\u00b0C a -190\u00b0C po dobu 1 hodiny na 25 mm tlou\u0161\u0165ky d\u00edlu.<\/p>\n

        Teplotn\u00ed rozsah od -70\u00b0C do -120\u00b0C (tzv. zpracov\u00e1n\u00ed oceli za studena)<\/em> vede k \u00fapln\u00e9 p\u0159em\u011bn\u011b austenitu na martenzit a v d\u016fsledku toho k lep\u0161\u00ed stabilit\u011b spojen\u00e9 s vy\u0161\u0161\u00ed tvrdost\u00ed a lep\u0161\u00ed odolnost\u00ed proti opot\u0159eben\u00ed. Teplotn\u00ed rozsah od -135\u00b0C do -190\u00b0C (tzv. kryogenn\u00ed zpracov\u00e1n\u00ed oceli)<\/em> vede tak\u00e9 k \u00fapln\u00e9 p\u0159em\u011bn\u011b austenitu a k vylu\u010dov\u00e1n\u00ed ultrajemn\u00fdch karbid\u016f, co\u017e v\u00fdrazn\u011b zlep\u0161uje odolnost proti opot\u0159eben\u00ed bez zm\u011bny hou\u017eevnatosti. Tato \u00faprava je pro b\u011b\u017en\u00e9 oblasti pou\u017eit\u00ed voliteln\u00e1.<\/p>\n<\/div>\n[\/vc_column_text][vc_column_text css=““ text_direction=“default“]\n

        \n

        Popou\u0161t\u011bn\u00ed<\/h4>\n

        Aby byl obsah zbytkov\u00e9ho austenitu co nejni\u017e\u0161\u00ed a z\u00e1rove\u0148 byla zaji\u0161t\u011bna v\u011bt\u0161\u00ed stabilita n\u00e1stroje je nezbytn\u00e9 prov\u00e9st dvoj\u00ed popou\u0161t\u011bn\u00ed. Po ka\u017ed\u00e9m popou\u0161t\u011bn\u00ed n\u00e1sleduje ochlazen\u00ed pod 100\u00b0C.<\/p>\n

        Doba ka\u017ed\u00e9ho popou\u0161t\u011bn\u00ed mus\u00ed b\u00fdt nejm\u00e9n\u011b 1 h + 1 h na 25 mm tlou\u0161\u0165ky opracov\u00e1van\u00e9ho d\u00edlu (ekvivalentn\u00ed tepeln\u00e1 tlou\u0161\u0165ka)<\/em>.<\/p>\n

        Optim\u00e1ln\u00ed tvrdost pro v\u011bt\u0161inu pou\u017eit\u00ed je v rozmez\u00ed 55 a\u017e 58 HRC s teplotami popou\u0161t\u011bn\u00ed v rozmez\u00ed 150 a\u017e 250\u00b0C.<\/p>\n<\/div>\n[\/vc_column_text][vc_column_text css=““ text_direction=“default“]\n

        \n

        \"2355<\/p>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=“in_container“ full_screen_row_position=“middle“ column_margin=“default“ column_direction=“default“ column_direction_tablet=“default“ column_direction_phone=“default“ scene_position=“center“ bottom_padding=“60″ text_color=“dark“ text_align=“left“ row_border_radius=“none“ row_border_radius_applies=“bg“ overflow=“visible“ overlay_strength=“0.3″ gradient_direction=“left_to_right“ shape_divider_position=“bottom“ bg_image_animation=“none“ gradient_type=“default“ shape_type=““][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/1″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“][vc_column_text css=““ text_direction=“default“]\n

        \n

        Povrchov\u00e1 \u00faprava<\/h3>\n

        Nitridace<\/h4>\n

        2355 PRIME se nedoporu\u010duje nitridovat, proto\u017ee teplota nitridace u 2355 PRIME je pom\u011brn\u011b n\u00edzk\u00e1.<\/p>\n

        PVD, CVD<\/h4>\n

        2355 PRIME se hod\u00ed pro v\u0161echny druhy \u00faprav PVD a CVD, pokud je teplota zpracov\u00e1n\u00ed o 30\u00b0C ni\u017e\u0161\u00ed ne\u017e teplota posledn\u00edho popou\u0161t\u011bn\u00ed.<\/p>\n<\/div>\n[\/vc_column_text][vc_column_text css=““ text_direction=“default“]\n

        \n

        Le\u0161t\u011bn\u00ed<\/h3>\n

        2355 PRIME se dokonale hod\u00ed k le\u0161t\u011bn\u00ed v opracovan\u00e9m stavu a lze jej pou\u017e\u00edvat v oblastech, kde je po\u017eadov\u00e1na dostate\u010dn\u00e1 le\u0161titelnost u transparentn\u00edch d\u00edl\u016f (Rt \u2264 20 \u03bcm, stupe\u0148 CNOMO 2, Rugotest N7)<\/em>.<\/p>\n

        Optim\u00e1ln\u00edho le\u0161t\u011bn\u00ed se dosahuje proveden\u00edm po sob\u011b n\u00e1sleduj\u00edc\u00edch krok\u016f s podobnou drsnost\u00ed a zastaven\u00edm ka\u017ed\u00e9ho z nich, jakmile zmiz\u00ed posledn\u00ed \u0161kr\u00e1banec z p\u0159edchoz\u00edho kroku.<\/p>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=“in_container“ full_screen_row_position=“middle“ column_margin=“default“ column_direction=“default“ column_direction_tablet=“default“ column_direction_phone=“default“ scene_position=“center“ bottom_padding=“60″ text_color=“dark“ text_align=“left“ row_border_radius=“none“ row_border_radius_applies=“bg“ overflow=“visible“ overlay_strength=“0.3″ gradient_direction=“left_to_right“ shape_divider_position=“bottom“ bg_image_animation=“none“ gradient_type=“default“ shape_type=““][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/1″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“][vc_column_text css=““ text_direction=“default“]\n

        \n

        Povrchov\u00e9 kalen\u00ed<\/h3>\n

        Povrch 2355 PRIME lze kalit induk\u010dn\u00edm, laserov\u00fdm nebo ho\u0159\u00e1kov\u00fdm oh\u0159evem.<\/p>\n

        Indukc\u00ed lze obvykle dos\u00e1hnout povrchov\u00e9 tvrdosti \u0159\u00e1dov\u011b 62 HRC p\u0159i hloubce 2 mm (laserem 1 mm)<\/em>. Po tomto kalen\u00ed mus\u00ed n\u00e1sledovat n\u00edzkoteplotn\u00ed popou\u0161t\u011bn\u00ed za \u00fa\u010delem odstran\u011bn\u00ed pnut\u00ed vyvolan\u00e9ho t\u00edmto opracov\u00e1n\u00edm a \u00fapravy tvrdosti.<\/p>\n

        Pou\u017eit\u00edm kysl\u00edko-acetylenov\u00e9ho ho\u0159\u00e1ku s oh\u0159evem na 1000\u00b0C a n\u00e1sledn\u00fdm ochlazen\u00edm na vzduchu lze dos\u00e1hnout tvrdosti povrchu 60 a\u017e 62 HRC.<\/p>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=“in_container“ full_screen_row_position=“middle“ column_margin=“default“ column_direction=“default“ column_direction_tablet=“default“ column_direction_phone=“default“ scene_position=“center“ bottom_padding=“60″ text_color=“dark“ text_align=“left“ row_border_radius=“none“ row_border_radius_applies=“bg“ overflow=“visible“ overlay_strength=“0.3″ gradient_direction=“left_to_right“ shape_divider_position=“bottom“ bg_image_animation=“none“ gradient_type=“default“ shape_type=““][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/1″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“][vc_column_text css=““ text_direction=“default“]\n

        \n

        Obr\u00e1b\u011bn\u00ed<\/h3>\n

        N\u00ed\u017ee uveden\u00e9 parametry obr\u00e1b\u011bn\u00ed jsou pouze informativn\u00ed a mus\u00ed b\u00fdt upraveny v z\u00e1vislosti na za\u0159\u00edzen\u00ed a obvykl\u00fdch podm\u00ednk\u00e1ch obr\u00e1b\u011bn\u00ed.<\/p>\n

        Soustru\u017een\u00ed<\/h4>\n<\/div>\n\n\n\n\n\n\n\n\n
        <\/th>\nKarbidov\u00fd n\u00e1stroj<\/th>\nN\u00e1stroj z HSS<\/th>\n<\/tr>\n
        <\/th>\nHrub\u00e9 obr\u00e1b\u011bn\u00ed<\/th>\nDokon\u010dovac\u00ed pr\u00e1ce<\/th>\nDokon\u010dovac\u00ed pr\u00e1ce<\/th>\n<\/tr>\n<\/thead>\n
        \u0158ezn\u00e1 rychlost m\/min<\/th>\n130 – 170<\/td>\n170 – 220<\/td>\n17 – 22<\/td>\n<\/tr>\n
        Posuv mm\/r<\/th>\n0.15 – 0.3<\/td>\n0.1 – 0.15<\/td>\n0.1 – 0.3<\/td>\n<\/tr>\n
        Hloubka \u0159ezu mm<\/th>\n2 – 3<\/td>\n0.5 – 1.5<\/td>\n0.5 – 2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
        \n

        Fr\u00e9zov\u00e1n\u00ed: povrchov\u00e1 \u00faprava<\/h4>\n<\/div>\n\n\n\n\n\n\n\n\n
        <\/th>\nFr\u00e9zov\u00e1n\u00ed s karbidov\u00fdmi n\u00e1stroji<\/th>\nCelistv\u00fd n\u00e1stroj<\/th>\n<\/tr>\n
        <\/th>\nHrub\u00e9 obr\u00e1b\u011bn\u00ed<\/th>\n\u00bd dokon\u010dovac\u00ed pr\u00e1ce<\/th>\nDokon\u010dovac\u00ed pr\u00e1ce<\/th>\n<\/tr>\n<\/thead>\n
        \u0158ezn\u00e1 rychlost m\/min<\/th>\n140 – 160<\/td>\n180 – 200<\/td>\n110 – 130<\/td>\n<\/tr>\n
        Posuv mm\/r<\/th>\n0.30<\/td>\n0.1 – 0.2<\/td>\n0.15 – 0.05<\/td>\n<\/tr>\n
        Hloubka \u0159ezu mm<\/th>\n2 – 3<\/td>\n1 – 1.5<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
        \n

        Spir\u00e1lov\u00fd vrt\u00e1k z HSS<\/h4>\n<\/div>\n\n\n\n\n\n\n\n\n
        Pr\u016fm\u011br vrt\u00e1ku mm<\/th>\n\u0158ezn\u00e1 rychlost m\/min<\/th>\nPosuv mm\/t<\/th>\n<\/tr>\n<\/thead>\n
        < 5<\/td>\n14 – 17<\/td>\n0.05 – 0.15<\/td>\n<\/tr>\n
        5 – 10<\/td>\n14 – 17<\/td>\n0.15 – 0.20<\/td>\n<\/tr>\n
        10 – 15<\/td>\n14 – 17<\/td>\n0.20 – 0.30<\/td>\n<\/tr>\n
        15 – 20<\/td>\n14 – 17<\/td>\n0.30 – 0.40<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
        \n

        Vrt\u00e1n\u00ed: karbidov\u00fd vrt\u00e1k<\/h4>\n<\/div>\n\n\n\n\n\n\n\n
        <\/th>\nTyp karbidu<\/th>\n<\/tr>\n
        <\/th>\nIndexovateln\u00e1 vlo\u017eka<\/th>\nSlinut\u00fd karbid<\/th>\nKarbidov\u00fd hrot<\/th>\n<\/tr>\n<\/thead>\n
        \u0158ezn\u00e1 rychlost m\/min<\/th>\n160 – 180<\/td>\n100 – 130<\/td>\n55 – 80<\/td>\n<\/tr>\n
        Posuv mm\/t<\/th>\n0.05 – 0.10<\/td>\n0.10 – 0.25<\/td>\n0.15 – 0.25<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n[\/vc_column_text][vc_column_text css=““ text_direction=“default“]\n
        \n

        Jemn\u00e9 brou\u0161en\u00ed<\/h4>\n

        Obecn\u00e9 pokyny k pou\u017eit\u00ed brusn\u00fdch kotou\u010d\u016f na 2355 PRIME po tepeln\u00e9m zpracov\u00e1n\u00ed.<\/p>\n

        Obvykle se pou\u017e\u00edvaj\u00ed sp\u00ed\u0161e m\u011bkk\u00e9 brusn\u00e9 kotou\u010de z vitrifikovan\u00e9ho oxidu hlinit\u00e9ho (t\u0159\u00eddy G pro rovinn\u00e9 brou\u0161en\u00ed a\u017e K pro brou\u0161en\u00ed v\u00e1lcov\u00fdch ploch)<\/em>.<\/p>\n

        Zvl\u00e1\u0161tn\u00ed pozornost je t\u0159eba v\u011bnovat \u00fa\u010dinn\u00e9mu chlazen\u00ed povrchu b\u011bhem brou\u0161en\u00ed, aby se p\u0159ede\u0161lo degradaci povrchu materi\u00e1lu.<\/p>\n

        Elektrojiskrov\u00e9 obr\u00e1b\u011bn\u00ed<\/h4>\n

        2355 PRIME se hod\u00ed tak\u00e9 k elektrojiskrov\u00e9mu obr\u00e1b\u011bn\u00ed (EDM) (dr\u00e1t nebo elektroda)<\/em>. P\u0159ednostn\u011b se obr\u00e1b\u011bn\u00ed prov\u00e1d\u00ed p\u0159i n\u00edzk\u00e9 proudov\u00e9 hustot\u011b a vysok\u00e9 frekvenci, aby se co mo\u017en\u00e1 nejv\u00edce omezila tlou\u0161\u0165ka b\u00edl\u00e9 vrstvy.<\/p>\n

        Pot\u00e9 je nutn\u00e9 odstranit pnut\u00ed p\u0159i teplot\u011b 25\u00b0C pod posledn\u00edm popou\u0161t\u011bn\u00edm, aby se sn\u00ed\u017eila \u00farove\u0148 zbytkov\u00fdch nap\u011bt\u00ed (kter\u00e1 by mohla v\u00e9st k riziku vzniku trhlin)<\/em> a le\u0161t\u011bn\u00ed, aby se zcela odstranila b\u00edl\u00e1 vrstva vznikl\u00e1 b\u011bhem procesu elektrojiskrov\u00e9ho obr\u00e1b\u011bn\u00ed.<\/p>\n

        Sva\u0159ov\u00e1n\u00ed<\/h3>\n

        2355 PRIME lze sva\u0159ovat bu\u010f v \u017e\u00edhan\u00e9m stavu (lep\u0161\u00ed)<\/em>, nebo ve stavu tepeln\u011b zpracovan\u00e9m.<\/p>\n