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Low air pressure dth hammer top hammer drill bits
With professional manufacturing experience in Low air pressure dth hammer top hammer drill bits production, our factory can supply you with high pressure and medium to low pressure DTH hammers and bit. It strictly matches with API standard and other Chinese industry standards.It is durable for being produced with advanced craftwork and good material.
It also has the following advantages:
1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to the special inner structure of HD series DTH hammer designed according to newest rock drilling theory.
2. Smooth performance and long service life of HD series DTH hammer due to high quality alloy steel materials and advanced processing technology adapted.
3. Low problem rate and easy to maintenance due to simple, reliable and easy assemble and disassemble inner structure of hammer.
4. Easy to depart bit from hammer due to multi—head thread connecting chuck and cylinder of hammer.
5. Interchangeable with DTH bit and drill pipe
Low air pressure dth hammer top hammer drill bits mainly use in blasting,water well,oil,gas deep hole drilling.
------------Selection of DTH BIT FACE SHAPE AND CARBIDE BUTTON SHAPE----------
A: Bit face shape selection
DropCenter Bit
For high penetration rates in soft to medium-hard and fissured rock formations. Low to medium air pressures. Maximum hole deviation control.
Concave face
The all-round application bit face specifically for medium hard and homogenerous rock formations. Good hole deviation control and good flushing capacity.
Convex face
For high penetration rates in soft to medium-hard with low to medium air pressures. It is the most resistance to steel wash, and may reduce the load and wear on the gauge buttons, but poor hole deviation control.
Double Gauge face
This kind of face shape is suitable for fast penetration rates in medium to hard rock formations. Designed for high air pressures and good resistance to steel wash step gauge bit.
Flat Face Bit
This kind of face shape is suitable for hard to very hard and abrasive rock formations in applications with high air pressures. Good penetration rates an resistance to steel wash.
B: Insert Carbide Button Shape Selection
Matching the insert to the job requirements is essential in achieving the desired results. Different buttons is ideal for different ground conditions, abrasion levels, PSIs and penetration levels. In general, the larger the number of gauge buttons the better overall performance, especially in hard rock.
Hemispherical
• Height 0.5 Ø
• Application Strength - multipurpose
• Best suited to hard ground
• 25,000 to 45,000 PSI (170 to 300 MPa)
• Abrasive to very abrasive
Ballistic Button
• Height 0.75 Ø
• Application Strength - fast penetration
• Best suited to soft ground
• 10,000 to 20,000 PSI (70 to 140 MPa)
• Non abrasive ground
Parabolic Button (semi ballistic)
• Height 0.6 Ø
• Application Strength - fast penetration
• Best suited to medium ground
• 15,000 to 25,000 PSI (100 to 170 MPa)
• Mildly abrasive ground
Conical Button
• Height 0.65 Ø
• Application Strength – fast penetration
• Suited for all non-abrasive ground types
• Smaller contact area
• Best suited for smaller diameter bits
All Items will be packed by PLYWOOD BOX for bulk order, or by Carton for small quantities.
Shipping Methods we will suggest BY SEA for more than 1CBM and BY AIR for less than 200kgs.
One piece for sample is available.
Taian Longye Import And Export Trade Co.,Ltd. is a manufacturer,specialized in the production of blasting drilling rig,solar pile driver,water well drilling rig and accessories such as portable screw air compressor,drill pipe,drill hammer,drill bit,etc.Our company is a backbone enterprise in the industry.
Our company covers an area of 35,000 square meters, and has more than 160 employees, including 20 engineering technicians, who all are specialized drilling rig mechanical design talents.
Our company has more than 30 sets of advanced CNC machining equipment and more than 10 sets of special processing equipment. Our company has our own heat treatment production workshops and surface treatment equipment.
On the basis of advanced production equipment and more than 10 years of experience, our company has developed and produced three series of products, including high, medium and low-grade air pressure equipment. 15 kinds of products sell well throughout China, Russia, Kenya, Brazil, India and some other countries in Europe.
Contact Person: Robin
Email: robin(at)longyejixie.com
Mobile Number: +86 151 6380 1508
WhatsApp/Wechat: +86 151 6380 1508
Taian Longye Import and Export Trade Co.,Ltd
Shandong Longye Machinary Co., Ltd.
Daiyue Yuanrong Avenue,Tai'an, Shandong,China
