{"id":265951,"date":"2024-10-19T17:44:43","date_gmt":"2024-10-19T17:44:43","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-4656-121979\/"},"modified":"2024-10-25T13:44:07","modified_gmt":"2024-10-25T13:44:07","slug":"bs-4656-121979","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-4656-121979\/","title":{"rendered":"BS 4656-12:1979"},"content":{"rendered":"<p>This Part of this British Standard specifies, with reference to BS 3800, geometrical tests for manually and power operated dividing heads and gives corresponding permissible deviations which apply.<\/p>\n<p>This standard is applicable to dividing heads of general purpose use and normal accuracy.<\/p>\n<p>It deals only with the verification of accuracy of the machine. It does not apply to the testing of the running of the machine (vibrations, abnormal noises, stick-slip motion of components, etc.) nor to its characteristics (speeds, feeds, etc.), which should generally be checked before testing accuracy.<\/p>\n<p>Accuracy requirements and geometrical tests with reference to BS 3800.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Specification for the accuracy of machine tools and methods of test &#8211; Dividing heads<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>1979<\/td>\n<td>12<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":265953,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[390,2641],"product_tag":[],"class_list":{"0":"post-265951","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-25-060-20","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/265951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/265953"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=265951"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=265951"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=265951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}