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Original Title: Application of Precision Speed Stabilizer in Power Drill The roller cone engineering drilling machine in the prior art comprises a motor and a precise speed stabilizer, wherein the motor is connected with the precise speed stabilizer. When the roller cone engineering drilling machine drills a hole, sufficient shaft pressure and rotating torque are supplied to the drill bit through the drill rod by means of ad on the inner wall of the hole until a drill hole with the required hole depth can be formed. Precision speed regulator However, in the prior art, the rate at which the compressed gas is ejected from the drill bit nozzle is fixed,fastest dth hammer, that is, there are only two States of ejecting the compressed gas and not ejecting the compressed gas. However, at the beginning of drilling or when the drilling is very shallow,dth rock bit, the high-speed compressed gas ejected onto the rock will produce a reaction force, which will offset the drill bit head and make the drilling position or angle inaccurate; In addition, when the drilling depth has reached the target depth, the impact force generated by high-speed compressed gas will also lead to bit offset, affecting the quality of drilling. Precision speed regulator In a working state, Tapered Rock Bit ,down the hole bit, the precision speed stabilizer is arranged on the drilling machine, the annular plate and the drill bit are wer drill, the precision speed regulator can not only improve the fineness of the drilling depth, but also improve the safety performance and prolong its service life, which can be said to kill three birds with one stone. Return to Sohu to see more Responsible Editor: (function() { function getBrandHtml() { var brands = [],dth drilling hammer, html = ''; for(var i = 0; i < brands.length; i++) { var brand = brands[i]; if(brands.length i+1) { html+= ''+brand.name+''; } else { html+= ''+brand.name+''; } } return html; }; if(document.getElementById('linkBtn')){ document.getElementById('linkBtn').onclick = function() { $('#brands').removeClass('brand');$ ( '# tipInfo').text ( 'Real name responded'); $ ('#linkBtn').remove();$ ('.real-response .content').css('line-height', '20px');$ ('.real-response .time').css('line-height', '20px'); }; document.getElementById('brands').innerHTML = getBrandHtml(); }; })(); wt-dthtools.com