{"id":645,"date":"2021-07-10T03:22:38","date_gmt":"2021-07-10T03:22:38","guid":{"rendered":"https:\/\/www.africa-press.net\/botswana\/?p=645"},"modified":"2021-07-10T03:20:08","modified_gmt":"2021-07-10T03:20:08","slug":"rhino-raiseborer-set-for-work-in-botswana-south-africa","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/botswana\/all-news\/rhino-raiseborer-set-for-work-in-botswana-south-africa","title":{"rendered":"Rhino raiseborer set for work in Botswana, South Africa"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong><a href=\"https:\/\/www.africa-press.net\/\">Africa-Press<\/a> &#8211; <a href=\"https:\/\/www.africa-press.net\/botswana\">Botswana<\/a>. <\/strong><\/span>Having been introduced to the southern African market only a year ago, two Rhino 100 \u2018plug-and-drill\u2019 raiseborers from Sandvik Mining &amp; Rock Solutions are already destined for local mining sites.<\/p>\n<p>One unit will soon be at work in Botswana, while the second will be delivered to a large South Africa mine later this year, according to Saltiel Pule, Sandvik Mining &amp; Rock Solutions\u2019 Business Line Manager for Underground Drilling in southern Africa.<\/p>\n<p>\u201cThis machine has raised considerable interest in our market, and we fully expect to see five units at work in our region by the end of 2022,\u201d Pule says.<\/p>\n<p>The primary application of the Rhino 100 is for drilling of production slots, but it also makes a valuable contribution in a range of other applications \u2013 from ventilation raises and escape routes to ore passes and connections between tunnels, the company said.<\/p>\n<p>\u201cUsing conventional drill and blast methods, these vertical or inclined holes can take mines three to six months to complete,\u201d Pule says. \u201cWith the Rhino 100, we are talking about durations of less than a week.\u201d<\/p>\n<p>Drilled as relief holes in sub-level open stoping, slot raises provide the necessary void space for blasting, allowing the expansion of blasted rock into the void to improve fragmentation.<\/p>\n<p>Dean Zharare, Sales Engineer for Underground Drilling at Sandvik Mining &amp; Rock Solutions, says the conventional blasting of slot raises often creates a bottleneck for mines.<\/p>\n<p>\u201cWe have encountered situations where mine personnel have to return two or three times to a slot raise before it is ready, due to misfires, for instance,\u201d Zharare said. \u201cThis creates a bottleneck in the mining process, reducing the monthly metres achieved.\u201d<\/p>\n<p>The mobility and drilling speed of the Rhino 100 can transform this scenario, he says, with an expectation that monthly metres drilled could improve by 65%. There is even the possibility that one of the units in South Africa will be operated remotely with the operator based on surface while it drills underground stopes.<\/p>\n<p>Drilling holes of 750 mm in diameter, the Rhino 100 boasts penetration rates of about 2 m\/h, more than double the rate of conventional methods, Sandvik claims. As important as the speed, Zharare says, is the reliability of the result.<\/p>\n<p>\u201cThese larger holes make the blast much more reliable, avoiding any time consuming and dangerous redrilling in the event of a block \u2018freezing\u2019 after an unsuccessful blast,\u201d he says.<\/p>\n<p>Underpinning the machine\u2019s mobility is its ability to carry its own components, including rods, cables, hydraulics and the raiseboring head. It is pulled by a specially adapted double-axle John Deere tractor. To optimise the set-up time \u2013 which can take as little as 10 minutes \u2013 it has outriggers for stability rather than needing a concrete pad to be poured. No roof bolting is required either, as an inclinometer gives the operator the necessary coordinates for a surveyor to confirm before drilling operations begin.<\/p>\n<p>Since the Rhino 100 was launched 2017, it has achieved a strong global footprint, with over 20 units operating worldwide. Australia has seen particularly strong take-up, with one contractor already ordering four machines. Underground expansions at almost a dozen operations around southern Africa present exciting opportunities for the future of the Rhino 100 in this region, Zharare says. The Rhino is manufactured by TRB-Raise Borers in Finland but is equipped with Sandvik tools and is distributed by Sandvik.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Botswana. Having been introduced to the southern African market only a year ago, two Rhino 100 \u2018plug-and-drill\u2019 raiseborers from Sandvik Mining &amp; Rock Solutions are already destined for local mining sites. One unit will soon be at work in Botswana, while the second will be delivered to a large South Africa mine later [&hellip;]<\/p>\n","protected":false},"author":84,"featured_media":644,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,5,7,8,244,16],"tags":[233,237,234,259,258,257,256],"class_list":["post-645","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-all-news","category-economy","category-head-lines","category-homepage-english","category-to-homepage","category-twitter","tag-africa-press","tag-africa-press-botswana","tag-botswana","tag-rhino-100","tag-rock-solutions","tag-sandvik-mining","tag-south-africa"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Rhino raiseborer set for work in Botswana, South Africa - Botswana<\/title>\n<meta name=\"description\" content=\"Having been introduced to the southern African market only a year ago, two Rhino 100 \u2018plug-and-drill\u2019 raiseborers from S ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/botswana\/all-news\/rhino-raiseborer-set-for-work-in-botswana-south-africa\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Rhino raiseborer set for work in Botswana, South Africa\" \/>\n<meta property=\"og:description\" content=\"Having been introduced to the southern African market only a year ago, two Rhino 100 \u2018plug-and-drill\u2019 raiseborers from S ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/botswana\/all-news\/rhino-raiseborer-set-for-work-in-botswana-south-africa\" \/>\n<meta property=\"og:site_name\" content=\"Botswana\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/AfricaPressTunisiaa\" \/>\n<meta property=\"article:published_time\" content=\"2021-07-10T03:22:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/botswana\/sites\/38\/2021\/07\/img-60e911b6d3b91.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"576\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditoren\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditoren\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/botswana\/all-news\/rhino-raiseborer-set-for-work-in-botswana-south-africa#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/botswana\/all-news\/rhino-raiseborer-set-for-work-in-botswana-south-africa\"},\"author\":{\"name\":\"cfeditoren\",\"@id\":\"https:\/\/www.africa-press.net\/botswana\/#\/schema\/person\/068c7ab4e9634ae78ec5d54ec46598bb\"},\"headline\":\"Rhino raiseborer set for work in Botswana, South Africa\",\"datePublished\":\"2021-07-10T03:22:38+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/botswana\/all-news\/rhino-raiseborer-set-for-work-in-botswana-south-africa\"},\"wordCount\":559,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/botswana\/all-news\/rhino-raiseborer-set-for-work-in-botswana-south-africa#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/botswana\/sites\/38\/2021\/07\/img-60e911b6d3b91.jpg\",\"keywords\":[\"Africa Press\",\"Africa Press-Botswana\",\"Botswana\",\"Rhino 100\",\"Rock Solutions\",\"Sandvik Mining\",\"South Africa\"],\"articleSection\":[\"all news\",\"economy\",\"head lines\",\"homepage-english\",\"to-homepage\",\"twitter\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/botswana\/all-news\/rhino-raiseborer-set-for-work-in-botswana-south-africa#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/botswana\/all-news\/rhino-raiseborer-set-for-work-in-botswana-south-africa\",\"url\":\"https:\/\/www.africa-press.net\/botswana\/all-news\/rhino-raiseborer-set-for-work-in-botswana-south-africa\",\"name\":\"Rhino raiseborer set for work in Botswana, South Africa - 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