{"id":3464,"date":"2025-06-11T12:23:36","date_gmt":"2025-06-11T12:23:36","guid":{"rendered":"https:\/\/karmet.eu\/?p=3464"},"modified":"2026-09-04T08:34:13","modified_gmt":"2026-09-04T08:34:13","slug":"7-%d1%81%d1%8a%d0%b2%d0%b5%d1%82%d0%b0-%d0%b7%d0%b0-%d0%b8%d0%b7%d0%b1%d0%be%d1%80-%d0%bd%d0%b0-%d0%b8%d0%bd%d1%81%d1%82%d1%80%d1%83%d0%bc%d0%b5%d0%bd%d1%82%d0%b8-%d0%b7%d0%b0-%d0%b0%d0%b1%d0%ba%d0%b0","status":"publish","type":"post","link":"https:\/\/karmet.eu\/en\/7-%d1%81%d1%8a%d0%b2%d0%b5%d1%82%d0%b0-%d0%b7%d0%b0-%d0%b8%d0%b7%d0%b1%d0%be%d1%80-%d0%bd%d0%b0-%d0%b8%d0%bd%d1%81%d1%82%d1%80%d1%83%d0%bc%d0%b5%d0%bd%d1%82%d0%b8-%d0%b7%d0%b0-%d0%b0%d0%b1%d0%ba%d0%b0\/","title":{"rendered":"7 Tips for Choosing Press Brake Tooling"},"content":{"rendered":"
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Choosing the right tools for a press brake is critically important for the quality and efficiency of bending operations. Here is the most accurate and structured step-by-step approach to tooling selection:<\/p>\n

1. Material Analysis<\/strong><\/p>\n

* Type of material: steel, stainless steel, aluminum, etc.
\n* Material thickness: important for determining the V-opening width and the required force.
\n* Tensile strength (\u03c3): the higher it is, the more force is needed.<\/p>\n

 <\/p>\n

2. Determining the Required Bending Geometry<\/strong><\/p>\n

* Bending angle: sharp, right, or obtuse.
\n* Bend radius: essential for selecting punches.
\n* Minimum distance between bends: affects tool shape (standard, narrow, etc.).<\/p>\n

 <\/p>\n

3. Choosing the Bottom Tool (Die \/ V-opening)<\/strong><\/p>\n

* Rule of thumb: V = 6 to 12 times the material thickness<\/p>\n

- For aluminum \u2013 V = 6\u00d7t
\n- For steel \u2013 V = 8\u00d7t
\n- For stainless steel \u2013 V = 10\u00d7t<\/p>\n

Example:
\nFor 2 mm steel \u2192 V = 16 mm<\/p>\n

* Check whether the die suits the desired radius and angle.<\/p>\n

 <\/p>\n

4. Choosing the Top Tool (Punch)<\/strong><\/p>\n

* Must match the desired inner bend radius.
\n* For sharp bends, use narrow punches; for thick materials, use stronger punches with a larger radius.
\n* Take into account punch height if there are clearance limitations on the machine.<\/p>\n

 <\/p>\n

5. Checking the Bending Force<\/strong><\/p>\n

* Use the following formula or a force chart to calculate the required tonnage:<\/p>\n

P = (1.42 \u00d7 \u03c3 \u00d7 t\u00b2 \u00d7 L) \/ V<\/p>\n

Where:<\/p>\n

P - force in kN
\n\u03c3 \u2013 material strength in N\/mm\u00b2
\nt \u2013 material thickness (mm)
\nL \u2013 bending length (mm)
\nV \u2013 V-opening width (mm)<\/p>\n

* Compare the result with the machine\u2019s capacity.<\/p>\n

 <\/p>\n

6. Considering Specific Part Features<\/strong><\/p>\n

* If the part has protrusions, holes, or special contours \u2013 use specialized or segmented tooling.
\n* For complex bends \u2013 multiple-step operations may be necessary.<\/p>\n

 <\/p>\n

7. Compatibility and Mounting<\/strong><\/p>\n

* Tools must be compatible with the machine's clamping system (e.g. Promecam, Trumpf, Wila, etc.).
\n* Ensure the tools allow for quick changeover and easy setup.<\/p>\n

 <\/p>\n

Final Tips<\/strong><\/p>\n

* Use CAD\/CAM simulation if available \u2013 helps avoid errors.
\n* Choose hardened tools for frequent use.
\n* Maintain accuracy through regular inspection for wear.<\/p>\n

 <\/p>\n

We are always available to support you with information or advice regarding the correct use of \u201cKarmet Bulgaria\u201d Ltd. machines or the tools used with them.<\/p>\n<\/div>\n\n\n\nInquiry<\/span><\/a>\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>","protected":false},"excerpt":{"rendered":"\u0418\u0437\u0431\u043e\u0440\u044a\u0442 \u043d\u0430 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0438 \u0437\u0430 \u0430\u0431\u043a\u0430\u043d\u0442 \u043f\u0440\u0435\u0441\u0430 \u0435 \u043a\u0440\u0438\u0442\u0438\u0447\u043d\u043e \u0432\u0430\u0436\u0435\u043d \u0437\u0430 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u043e\u0442\u043e \u0438 \u0435\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u0442\u0430 \u043d\u0430 \u043e\u0433\u044a\u0432\u0430\u043d\u0435\u0442\u043e. \u0415\u0442\u043e \u043d\u0430\u0439-\u043f\u0440\u0430\u0432\u0438\u043b\u043d\u0438\u044f \u0438 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0438\u0440\u0430\u043d \u043d\u0430\u0447\u0438\u043d \u0437\u0430 \u0438\u0437\u0431\u043e\u0440 \u043d\u0430 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0438, \u0441\u0442\u044a\u043f\u043a\u0430 \u043f\u043e \u0441\u0442\u044a\u043f\u043a\u0430: 1. \u0410\u043d\u0430\u043b\u0438\u0437 \u043d\u0430...","protected":false},"author":1,"featured_media":3465,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[439],"tags":[],"class_list":["post-3464","post","type-post","status-publish","format-standard","has-post-thumbnail","category-439"],"_links":{"self":[{"href":"https:\/\/karmet.eu\/en\/wp-json\/wp\/v2\/posts\/3464","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/karmet.eu\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/karmet.eu\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/karmet.eu\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/karmet.eu\/en\/wp-json\/wp\/v2\/comments?post=3464"}],"version-history":[{"count":5,"href":"https:\/\/karmet.eu\/en\/wp-json\/wp\/v2\/posts\/3464\/revisions"}],"predecessor-version":[{"id":3470,"href":"https:\/\/karmet.eu\/en\/wp-json\/wp\/v2\/posts\/3464\/revisions\/3470"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/karmet.eu\/en\/wp-json\/wp\/v2\/media\/3465"}],"wp:attachment":[{"href":"https:\/\/karmet.eu\/en\/wp-json\/wp\/v2\/media?parent=3464"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/karmet.eu\/en\/wp-json\/wp\/v2\/categories?post=3464"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/karmet.eu\/en\/wp-json\/wp\/v2\/tags?post=3464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}