{"id":9928,"date":"2018-06-05T07:33:07","date_gmt":"2018-06-05T13:33:07","guid":{"rendered":"https:\/\/deprag.mx\/screw-technology\/technical-information\/clamping-force-control-deprag\/"},"modified":"2026-02-23T18:26:35","modified_gmt":"2026-02-24T00:26:35","slug":"clamping-force-control-deprag","status":"publish","type":"page","link":"https:\/\/deprag.mx\/en\/screw-technology\/technical-information\/clamping-force-control-deprag\/","title":{"rendered":"Clamping force control DEPRAG"},"content":{"rendered":"[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” text_color=”dark” text_align=”left” row_border_radius=”none” row_border_radius_applies=”bg” overflow=”visible” class=”informacion-interna tecnologia-atornilladores” overlay_strength=”0.3″ gradient_direction=”left_to_right” shape_divider_position=”bottom” bg_image_animation=”none” css=”.vc_custom_1605061627784{background-color: #ffffff !important;}” 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=”3\/4″ 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=”.vc_custom_1752182422574{margin-bottom: 0px !important;padding-top: 15px !important;padding-bottom: 15px !important;padding-left: 20px !important;background-color: #009933 !important;}” text_direction=”default”]\n

Clamping force control DEPRAG <\/span><\/h1>\n[\/vc_column_text][image_with_animation image_url=”6903″ image_size=”full” max_width=”100%” max_width_mobile=”default” animation_type=”entrance” animation=”None” animation_movement_type=”transform_y” hover_animation=”none” alignment=”” border_radius=”none” box_shadow=”none” image_loading=”default”][vc_column_text css=”.vc_custom_1613591264297{margin-bottom: 0px !important;padding-top: 20px !important;padding-bottom: 20px !important;padding-left: 20px !important;background-color: #009933 !important;}”]\n

Constant clamping force despite fluctuating tightening torques <\/span><\/h4>\n[\/vc_column_text][vc_column_text css=”.vc_custom_1760400982391{margin-top: 30px !important;}” text_direction=”default”]Thisadaptive bolting procedure<\/strong>ensures aconstant clamping force<\/strong>when drive torque values fluctuate. The entire bolt assembly consists of head contact recognition and a bolt assembly at differential torque or at a specific angle. <\/p>\n

The typical area of application is direct screwdriving in plastic and\/or metal. The patented DEPRAG EC servo screwdriver screwdriving process in combination with AST40 or AST12 is used to tighten a wide variety of torques. <\/p>\n

These fluctuations can result from alterations in screw and\/or hole geometry, component material structure, variations in screw thread surface quality, element elasticity or seating processes. Reliable head contact recognition results in a constant clamping force.[\/vc_column_text][vc_raw_html]PHZpZGVvIHN0eWxlPSJ3aWR0aDogMTAwJSIgY29udHJvbHM+CiAgPHNvdXJjZSBzcmM9Imh0dHBzOi8vd3d3LmRlcHJhZy5jb20vZmlsZWFkbWluL2RlcHJhZ19pbWFnZXNfMjAxNi9WaWRlby1DRkMvREVQUkFHX0NGQ19FTl83MjBwLm1wNCIgdHlwZT0idmlkZW8vbXA0OyBjb2RlY3M9ImF2YzEuNDJFMDFFLCBtcDRhLjQwLjIiIj48L3NvdXJjZT4=[\/vc_raw_html][vc_column_text css=”” text_direction=”default”]\n

Advantages:<\/h3>\n
    \n
  • Increased preload force consistency<\/li>\n
  • The calculation takes into account coincident fluctuations in torque during the process, which are not caused by contact with the head.<\/li>\n
  • Minimum parameter settings<\/li>\n<\/ul>\n

    Method of calculation:<\/h3>\n

    The main element is the head contact recognition: based on the torque flow, a mathematical evaluation function is continuously generated. Head contact is considered to be recognized as soon as this function exceeds a fixed limit value. Torque and
    \nangles are calculated backwards until the moment of head contact. <\/p>\n

    Screwing procedure:<\/h3>\n[\/vc_column_text][vc_row_inner column_margin=”default” column_direction=”default” column_direction_tablet=”default” column_direction_phone=”default” text_align=”left” row_position=”default” row_position_tablet=”inherit” row_position_phone=”inherit” overflow=”visible” pointer_events=”all” css=”.vc_custom_1607491896898{margin-bottom: 40px !important;}”][vc_column_inner 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” overflow=”visible” 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”][image_with_animation image_url=”6905″ image_size=”full” max_width=”100%” max_width_mobile=”default” animation_type=”entrance” animation=”None” animation_movement_type=”transform_y” hover_animation=”none” alignment=”” border_radius=”none” box_shadow=”none” image_loading=”default”][vc_column_text css=”” text_direction=”default”]torque procedure – parameter spindle contact recognition screw template<\/p>\n

    The upper torque limit serves as a closing criterion for the bolting step. The OK window for seat recognition can optionally be monitored using the upper\/lower limit of seat torque. The end values can be saved as torque and angle values at the seating point or at the end of the bolting step. The final values of the seating recognition of the bolting template provide the reference for the next section of the program.[\/vc_column_text][\/vc_column_inner][vc_column_inner 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” overflow=”visible” 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”][image_with_animation image_url=”6906″ image_size=”full” max_width=”100%” max_width_mobile=”default” animation_type=”entrance” animation=”None” animation_movement_type=”transform_y” hover_animation=”none” alignment=”” border_radius=”none” box_shadow=”none” image_loading=”default”][vc_column_text css=”” text_direction=”default”]Differential torque bolt assembly related to head contact recognition<\/p>\n

    The angle bolt assembly can follow in place of the differential torque bolt assembly.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/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\/4″ tablet_width_inherit=”default” animation_type=”default” bg_image_animation=”none” border_type=”simple” column_border_width=”none” column_border_style=”solid”][vc_wp_custommenu nav_menu=”2″][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"

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