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· HIGH PRESSURE AIR AND ITS APPLICATION TO DTH HAMMER DRILLING FOR A PROFIT Ian Speer Speer Compression Systems Kalamunda, Western Australia, Email [email protected] .speer.com.au This paper was written in 1996 and some of the hammer models have changed although all of the principles remain the same.
· 5” DTH Hammer Parts List Replacement / Spare Parts Part No. Weight Item Description Kg 1. Top sub H05-00TS-501 15.15 2. Choke H05-000C-517 0.05
· 4 Atlas Copco Secoroc has the broadest range of hammers, bits, and related equipment of any supplier in the world. This means more choices for you.
· Breakout bench for DTH hammer Note: *the standard motor request power source with 3phase,380V,50Hz .we can adjust the motor as customers'' request. Manual-hydraulic Electronic hydraulic Hand held
· DTH Hammer, High Pressure with Foot Valve SQ85AMS Specific recommendations for the SQ85AMS DTH Hammer Lubrication; AMS Recommend the use of a Quality Rockdrill Oil, 320 grade Rate/Hour Lubrication as per air flow rate of consumption, 200ml/100cfm 1300ml/hr 200 psi 650 cfm 1.37 MPa 18.4 M/Min
· The second chapter looks at hammer care. It deals with the procedures that should be followed when storing a DTH hammer, the steps to follow when commissioning a new hammer and lubrication of a DTH hammer. Following that the effects of corrosion and the topic of galling is discussed to understand their detrimental effect on DTH hammers.
· DTH Hammer Backhead Thread Length Outside Diameter Weight Shank Type 4” Hammer API 2*3/8 REG. Pin 925mm Dia. 98mm 38kg DHD340, SD4, QL40 AIR CONSUMPTION CHART 150 PSI (10.5bar) 250 PSI (17.5bar) 350 PSI (24.5bar) 200CFM 365CFM 535CFM MODEL ACE40 SHANK TYPE DHD340 Desco Inc.(HQ/Manufacturer) HEAD OFFICE: 1240-1, Ok-Dong, Gwangsan, Gwangju, Korea
· percussion hammer for drilling in all rock formations. It is designed for a wide range of applications including water wells, blast holes, and construction when drilling 4” to 5-1/8” holes. The 40HP incorporates one moving part, the piston, making the hammer very reliable. The HP hammer is designed with a more efficient air cycle
· The DTH hammer concept proved so popular that established manufacturers of drifter steels, bits and accessories, followed Halco’s lead and developed their own range of DTH hammers and bits. “Down-the-hole” refers to where the hammer action occurs when compared to top hammers, which hammer on top of the drill string. The DTH hammer piston
· Beginning with an introduction to main basic working principles, different hammer types are discussed. The results of recent field tests are being presented. Furthermore, recirculation units for hammer drilling, multiple phase or, respectively, fluid flows, and the potential product of DTD mud powered hammers are being shown and discussed.
· GSE-QL40 DTH hammer 2— Approx. Part number DTH hammer exploded view 10 —11 es—12 —14 Parts name 01- top sub: 2 3/8" API Reg pin 02 -O ring
· Field failure analysis of DTH Hammer Bit is a real time industry project. A down-the-hole, usually called DTH is basically mini jackhammer screwed on the bottom of a drill string. The fast hammer action breaks hard rock into small flakes and dust is blown clear by the air exhaust from the DTH hammer.
DTH Hammers & Button Bits Technical Brochure Pipes and RockDrills Manufacturing Co. .lotuspipesandrockdrills.com FAST. VERSATILE. TOUGH. 5 Inch Hammer Model Shank Type Top Connecon Threads Lotus –FDD_35 DHD 350 2 3/8" API DTH Brochure Author: neha Created Date
· dth tools 5 1 2 3 4 5 7 8 9 6 17 16 15 14 13 12 10 11 14 Weight Outside diameter Hammer length Hammer length with bit Bit closed Bit extended kg lb mm
· This is especially the case if the DTH- hammer is to be operated at pressures above 10 bar (145 psi). The machine must not be used for purposes other than those prescribed by Secoroc (that is mining, quarrying, civil-engineer-ing, deep hole, water well and geothermal drilling operations).
DTH Drilling A down-the-hole drill, usually called DTH is mainly a pneumatic powered rock or ground drill, in which the percussive hammer is located directly behind the drill bit, so the percussion mechanism follows the bit down into the drill hole. The drill pipes transmit the necessary feed force and rotation to the DTH hammer […]
Halco Rock Tools, UK Manufacturer of DTH Hammers and Bits. Halco pioneered the development and distribution of DTH hammers in the 1950s.
· China Dth Hammer manufacturers - Select 2019 high quality Dth Hammer products in best price from certified Chinese Rock Drill manufacturers, Drilling Rig suppliers, wholesalers and factory on Made-in-China.com
DTH hammers transmit intensive impact energy with low energy loss. This results in good rock breakage, high penetration rates and high productivity. The equipment is designed to give optimal hole quality, reliability, and long service life, as well as the best blasting results and low total operation cost. 4" and 5" hammer
· 200 7. 1 3 6 12 13 Item Description 7 8 Air Distributor 10 SD45B DTH Hammer – D340 Shank Drill Bit 1. Valve less DTH Hammer 2. D340 Shank Drill Bit (Without tube) 3. …
· HK4-D DTH HAMMER HK4-D. Hammers Item Description Top Sub "O"Ring ofTop Sub e Check Valve 0 Spring 0 4 e Compression Buffer e Air Distributor 8 Internal Cylinder e Piston 7 E)External Cylinder 4D Guided Sleeve "O"Ring of Stop Ring