{"id":14485,"date":"2017-11-08T16:24:50","date_gmt":"2017-11-08T15:24:50","guid":{"rendered":"https:\/\/sonats-et.com\/grenaillage\/mise-au-point-de-grenaillage\/"},"modified":"2023-10-13T09:11:11","modified_gmt":"2023-10-13T07:11:11","slug":"controlled-shot-peening","status":"publish","type":"page","link":"https:\/\/sonats-et.com\/en\/shot-peening\/controlled-shot-peening\/","title":{"rendered":"Controlled shot peening"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_row_inner equal_height=&#8221;yes&#8221; content_placement=&#8221;middle&#8221;][vc_column_inner width=&#8221;2\/3&#8243;][vc_column_text]<\/p>\n<h2>Controlled shot peening treatment<\/h2>\n<p>In new applications, SONATS technicians and engineers make a complete study of the characteristics of both the part and the variables of the shot peening process to controll the shot peening treatment in order to develop the most appropriate solution.<\/p>\n<p>For each of these applications, the customer defines their specific objectives and requirements in terms of values :<\/p>\n<ul>\n<li>Residual surface stresses<\/li>\n<li>Depth affected<\/li>\n<li>Roughness<\/li>\n<li>Almen intensity (N, A, C)<\/li>\n<li>Critical areas radii<\/li>\n<li>Production rates<\/li>\n<\/ul>\n<p>Based on these elements, SONATS conducts its study in two directions :[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/3&#8243; css=&#8221;.vc_custom_1553100799278{background-color: #ffffff !important;}&#8221;]<div class=\"ult-content-box-container \" >\t<a class=\"ult-content-box-anchor\" href=\"https:\/\/sonats-et.com\/en\/shot-peening\/shot-peening-equipment\/\" title=\"Learn more about our shot peening equipment\" >\t\t<div class=\"ult-content-box\" style=\"background-color:#f2f2f2;box-shadow: px px px px none;padding-top:125px;padding-right:25px;padding-bottom:125px;padding-left:25px;-webkit-transition: all 700ms ease;-moz-transition: all 700ms ease;-ms-transition: all 700ms ease;-o-transition: all 700ms ease;transition: all 700ms ease;\"  data-hover_bg_color=\"#f9f9f9\"  data-hover_box_shadow=\"none\"     data-bg=\"#f2f2f2\" >[vc_icon icon_fontawesome=&#8221;fas fa-search&#8221; color=&#8221;custom&#8221; background_style=&#8221;rounded-outline&#8221; background_color=&#8221;custom&#8221; size=&#8221;xl&#8221; align=&#8221;center&#8221; custom_color=&#8221;#cd5b1b&#8221; link=&#8221;|||&#8221; custom_background_color=&#8221;#a21c26&#8243;][vc_column_text]<\/p>\n<p>Learn more about our portatble ultrasonic shot peening equipment.<\/p>\n<p>[\/vc_column_text]\t\t<\/div>\t<\/a><\/div>[\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner][vc_column_text]<\/p>\n<h3>TREATMENT CONFIGURATION<\/h3>\n<p>The optimal orientation of the acoustic assembly with respect to the part is determined working closely with engineering to consider the dimensions of the elements close to the treatment area, but also the level of compressive stresses to be introduced in the part. This step also makes it possible to design the treatment chamber correctly, to choose its materials and to integrate additional components designed to direct the flow of medias towards the areas to be impacted thus optimising the process time.<\/p>\n<h3>TREATMENT PARAMETERS<\/h3>\n<p>This step identifies the process parameters that will achieve the required shot peening intensities. These parameters are the frequency and the amplitude, the dimensions and the shape of the sonotrode, the distance between the sonotrode and the zone to be treated, the treatment time, the grade, hardness and mass of balls to be used. Small diameter medias are used to obtain high surface stresses while larger diameter medias are used to achieve deeper treatment.<\/p>\n<p>The various treatment combinations developed are characterised by considering measurements of surface roughness and residual stress introduced.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span lang=\"EN-GB\">Examples of applications of the development of a surface impact treatment<\/span><\/h2>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=&#8221;top&#8221;][vc_column_inner width=&#8221;2\/3&#8243;][vc_column_text]SONATS developed an ultrasonic shot peening treatment solution for a repair operation on an aeronautical component. The tooling and parameters were defined during the qualification stage and the treatment range was then applied to the disassembled part isolated from the engine by the customer\u2019s service department. This operation:<\/p>\n<ul>\n<li>Reduced the aircraft downtime<\/li>\n<li>Lowered the costs of disassembly, reassembly and related tests<\/li>\n<li>Eliminated the costs shipping to a subcontractor for the shot peening operation<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_separator][vc_column_text]Figure 1 shows the enclosed acoustic assembly in black and shows the geometry processing chamber in white shaped according to the area to be treated.<\/p>\n<p>Figure 2 shows the low amount of beads used in the chamber.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/3&#8243;][vc_single_image image=&#8221;13620&#8243; img_size=&#8221;full&#8221; onclick=&#8221;img_link_large&#8221;][vc_column_text]<span style=\"font-size: 0.9em;\">Figure\u00a0 1 : Development of the enclosure for the shot peening treatment<\/span>[\/vc_column_text][vc_single_image image=&#8221;13622&#8243; img_size=&#8221;full&#8221; onclick=&#8221;link_image&#8221;][vc_column_text]<span style=\"font-size: 0.9em;\">Figure\u00a0 2 : Development of the treatment chamber<\/span>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_empty_space][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_row_inner equal_height=&#8221;yes&#8221; content_placement=&#8221;middle&#8221;][vc_column_inner width=&#8221;2\/3&#8243;][vc_column_text] Controlled shot peening treatment In new applications, SONATS technicians and engineers make a complete study of the characteristics of both the part and the variables of&hellip;<\/p>\n","protected":false},"author":1,"featured_media":18131,"parent":14448,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-14485","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<title>Controlled shot peening treatment \u2502 SONATS<\/title>\n<meta name=\"description\" content=\"SONATS engineers 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