{"id":4438,"date":"2017-09-07T08:00:30","date_gmt":"2017-09-06T23:00:30","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=4438"},"modified":"2026-05-16T22:55:42","modified_gmt":"2026-05-16T13:55:42","slug":"types-of-suspension-drilling-bits-part-1","status":"publish","type":"post","link":"https:\/\/norimen.net\/en\/suspension-drilling-bit-types-part1\/","title":{"rendered":"Types of Bits for Suspended Drilling Rigs | Measures for Drilling in Rainy Weather"},"content":{"rendered":"<p>Hello, everyone.<\/p>\n<p>This is Enta.<\/p>\n<p>It's been raining in Aichi Prefecture for the past few days.<\/p>\n<p>And today, for the first time in a while, we're drilling with a suspended drill rig.<\/p>\n<p>Drilling on a rainy day is such a pain, isn't it?<\/p>\n<p>It's kind of cold, kind of hot, and kind of muggy\u2014is this sweat, rain, or just the humidity??<\/p>\n<p>Drilling tends to make the slope dirty, doesn't it?<\/p>\n<p>If the drilling slime gets all slimy from the rain and is on red clay, the color will remain as is.<\/p>\n<p>The red clay is caked all over the frame and the mortar surface.<\/p>\n<p>This stain is really hard to remove, even with a pressure washer.<\/p>\n<p>It really is a hassle, isn't it?<\/p>\n<p>Drilling with a suspended rig on a rainy day is kind of a pain, lol<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4441\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2017\/09\/c1b03191e97dee9aeccd170026d70117.jpg\" alt=\"\" width=\"600\" height=\"460\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2017\/09\/c1b03191e97dee9aeccd170026d70117.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2017\/09\/c1b03191e97dee9aeccd170026d70117-300x230.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<hr \/>\n<p>But that's beside the point.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4439\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2017\/09\/5d83854d66daf8ee5959f91dcd66e72a.jpg\" alt=\"\" width=\"600\" height=\"460\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2017\/09\/5d83854d66daf8ee5959f91dcd66e72a.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2017\/09\/5d83854d66daf8ee5959f91dcd66e72a-300x230.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>This bit is a single-use bit for a suspended core drill.<\/p>\n<p>These are Phillips-head and flat-head screws.<\/p>\n<p>You can use any bit you like, but of course, one that drills faster is better, right?<\/p>\n<p>If the soil conditions are reasonably stable and the borehole walls can support themselves easily during drilling, a cross bit is sufficient.<\/p>\n<p>However,<strong><span style=\"color: #0000ff;\">When the back of the hole tends to get clogged or collapse easily while drilling<\/span><\/strong>I would definitely recommend a retractable bit.<\/p>\n<p>If slime stops coming out while drilling, you need to pull the drill out immediately, but,<\/p>\n<p>If there's a blade on the back, it will shave as it rotates.<\/p>\n<p>This means it's easy to escape even if the rear is blocked.<\/p>\n<p>Opera singers understand this all too well, but there are many times when you just can't get it out, even if you keep pounding away while backing up.<\/p>\n<p>Bit's head is just so big that it gets stuck.<\/p>\n<p>In that case, being able to cut from behind the bit is definitely the best option.<\/p>\n<p>Avoiding clogs is the top priority, but sometimes you can't see if the slime is being flushed out.<\/p>\n<p>Sometimes I can't even see the workers right in front of me.<\/p>\n<p>That's when a retractable bit really comes in handy.<\/p>\n<p>&nbsp;<\/p>\n<p>See you later.<\/p>\n<hr \/>\n<p><a href=\"http:\/\/ameblo.jp\/enta-d\/entry-11403276623.html\" target=\"_blank\" rel=\"noopener\"><span style=\"font-size: 18px;\"><strong><span style=\"text-decoration: underline; color: #0000ff;\">Core Die<\/span><\/strong><\/span><\/a><\/p>\n<p><span style=\"font-size: 18px;\"><strong><span style=\"text-decoration: underline;\"><a href=\"https:\/\/norimen.net\/en\/coadia-stand-recommendation\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff; text-decoration: underline;\">A Guide to Core Stands<\/span><\/a><\/span><\/strong><\/span><\/p>\n<p><a href=\"http:\/\/ameblo.jp\/waka-factory\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-size: 18px;\"><strong><span style=\"text-decoration: underline;\"><span style=\"color: #0000ff; text-decoration: underline;\">Manufactured and Sold by Wakazono Seisakusho<\/span><\/span><\/strong><\/span><\/a><\/p>\n<h3><strong>Bolt Scale, Dedicated Box, Clip Spacer, and Greenery Spacer<br \/>\n Please see below for inquiries and retail locations.<\/strong><\/h3>\n<p><strong><a href=\"http:\/\/www.shizen-ok.co.jp\/\" target=\"_blank\" rel=\"noopener\"><span style=\"text-decoration: underline; font-size: 20px;\"><span style=\"color: #0000ff; text-decoration: underline;\">Natural Applied Sciences, Inc.<\/span><\/span><br \/>\n <\/a><\/strong>(Slope Greening Materials Group)<br \/>\n Phone: 052-212-1441<\/p>\n<p><span style=\"text-decoration: underline; font-size: 20px;\"><span style=\"color: #0000ff; text-decoration: underline;\"><strong><a href=\"http:\/\/www.koiwa.co.jp\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff; text-decoration: underline;\">Koiwa Wire Mesh Co., Ltd.<\/span><\/a><\/strong><\/span><\/span><br \/>\n (Contact the Chubu Branch)<br \/>\n Tel. 0568-75-7710<\/p>\n<p><span style=\"font-size: 20px;\"><strong><span style=\"color: #0000ff;\"><a href=\"http:\/\/www.k-showa.net\/office\/index.php\" target=\"_blank\" rel=\"noopener\"><span style=\"text-decoration: underline; color: #ff0000;\"><span style=\"color: #0000ff; text-decoration: underline;\">Showa Co., Ltd.<\/span><\/span><\/a><\/span><\/strong><\/span><br \/>\n (Kagoshima Prefecture)<br \/>\n Tel. 099-296-1234<\/p>\n<p><strong><span style=\"text-decoration: underline;\"><a href=\"http:\/\/www.0666836881.com\/index.php?FrontPage\" target=\"_blank\" rel=\"noopener\"><span style=\"font-size: 20px; color: #0000ff; text-decoration: underline;\">Fujiwara Industries Co., Ltd.<\/span><\/a><\/span><\/strong><br \/>\n (Bolt scale only)<br \/>\n Phone: 06-6683-0797<\/p>\n<p><strong><span style=\"text-decoration: underline; font-size: 20px;\"><a href=\"http:\/\/www2.crosstalk.or.jp\/creahill\/uratuji.htm\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff; text-decoration: underline;\">Ura-Tsuji Industries, Inc.<br \/>\n <\/span><\/a><\/span><\/strong>(Shimane Prefecture)<br \/>\n Phone: 0852-24-6881<\/p>","protected":false},"excerpt":{"rendered":"<p>Hello, everyone. This is Enta. It\u2019s been raining in Aichi Prefecture for the past few days. And today, for the first time in a while, we\u2019re drilling with a suspended drill rig. Drilling on a rainy day is really tough, isn\u2019t it? It\u2019s kind of cold, kind of hot, and really muggy\u2014I can\u2019t tell if it\u2019s sweat, rain, or just the humidity! Plus, when we\u2019re drilling, the slope gets dirty, so\u2026<\/p>","protected":false},"author":2,"featured_media":4442,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1],"tags":[46,116,117,461,689],"class_list":["post-4438","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-others","tag-46","tag-116","tag-117","tag-461","tag-689"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ 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