PDC Hole opener is designed for the enlargement of pilot holes and large hole applications. They are also used for road and river crossing applications.
The hole opener is made of AISI 4145H fully heat-treated alloy steel. All products have carbide grinding teeth and inserting tools. Body and cutters are hard-faced in three different designs with different conditions and rock formations. We also can design of the PDC hole drill bit opener blade allows replaced in the field.
We offer innovative drilling technology to mitigate drill string vibration during reaming. GREAT HDD hole opener solution can help you solve your challenges, whether you use a rotary steerable drill combination, a rotary motor drill combination, or a traditional rotary drilling system. Our reaming tools operate at high efficiency, increase equivalent cycle density (ECD), reduce the risk of fractured formations, reduce torque and drag, and overcome drilling challenges.
The Advantage of PDC Hole Opener
The body is machined out of a single block of heat-treated AISI 4145H alloy steel.
Compared to the roller hole opener, the PDC hole opener performs better during the drilling process. The post-maintenance process is much simpler, just replace the PDC cutter, which can reduce the production cost later.
Depending on the formation and the customer’s special requirements, different sizes of PDC hole openers can be produced.
Application
Hole reamer bit are designed for the enlargement of pilot holes and large hole applications. They are also used for road and river crossing aplications.
Constructure
The hole openers are manufactured from AISI 4 145H fully heat-treated alloy steel. All are available with carbide-milled teeth and insert cutters. Arms and cutters are hardfaced for protection in three iferent designs for varying conditions and rock formations. The design of the hole opener llows for field-changing the cutters.
Cutting stucture
The reamer mainly consists of four or more cones. Cuting Structure with premium tungsten carbide hardfacing or premium tungsten carbide insert of formulas and new techniques is utilized, and increases wear-resistance capability of reamer.
We can provide kinds of hole openers for sale, hdd reamers for sale. If you want to buy hole opener drill bits, please contact us.
Our brand is Cangzhou Great Drill Bits Co.,Ltd., founded in 2010, specialized in processing research of steel and diamond materials, is involved in the R&D, design, production, and sales of petroleum equipment, No-Dig. Up to now, we have to be the top material supplier of CNPC, SINOPEC, CNOOC. We have a 40,000 m² of production based in Hejian provincial development zone, Hebei, and several international advanced production lines featured in turning-milling compound, five-axis linkage, special for high-performance diamond processing, with the annual production capacity of more than 10,000 pcs. We provide the drill bits from 3″ to 36″, Rock reamer from 8”- 72”, Such as PDC bit, Tricone bit, Roller bit, Diamond Core bit, Bi-center bit, PDC reamer, Hole opener, etc.
As one of oil and gas drill bit manufacturers, we will do our best to meet all the needs of customers.
PDC cutters are made of diamond micro-powder and cemented carbide substrate sintered under ultra-high pressure and high temperature. It has high hardness, high wear resistance and thermal conductivity of diamond, and has the strength and impact toughness of cemented carbide. PDC cutters are widely used in oil well field PDC bit, geological PDC exploration bits, gas exploration bits, coal mining drilling applications. Various used for PDC bit, PDC core bit, and PDC hole opener, PDC reamer. PDC cutters’ performance has a decisive influence on the drilling effect and life of PDC bit.
We have built very close cooperation with Top brand PDC cutters manufacturers in the USA and China, we have our patented cutters to the customers drilling demand.
Our popular size is 1913mm, 1613mm, 1616mm ,1313mm, 1308mm,1305mm.
The Advantage of OEM PDC Bit Cutter
1. Conical cutters
Innovative diamond element increases drilling speed, improves stability in hard-to-drill formations, Advanced rock destruction mechanism, Enhanced bit durability.
2. PDC Up-drill
Brazing high-quality PDC drill bit cutters at a specific angle, effectively remove the obstacles, protect the bit body from harm during up-drill process.
3. Arc PDC cutters gauge
High-quality arc PDC cutters gauge, increase wear resistance and stability of the drill gauge.
If you would like to understand more about Great Drill Bits PDC cutter application ,please feel free to contact with us.
As one of drill bit manufacturing companies, we will do our best to meet all the needs of customers.
Every PDC Core bit is optimized hydraulically for each cutting structure and formation application.
Each design is based on a balanced and fully covered cutting structure.
Sometimes we need to analyze the rock, so the best choice is to consult Great Drill, one of the most trusted drill bit manufacturers in china, to get your right recommendation.
The Specification of PDC Core Drill Bit
Bit Size and Type
8 1/2″GMC3232
Nozzle Qty
12P
Cutter Size (mm)
Φ13mm ×30
Gauge Lenghth
1.8″
Blade
12
Connection
Chuan 7-4
Operating Parameters
Rotary Speed(rpm)
40~150
Weight on Bit(KN)
40~80
Max.WOB(KN)
90
Flow Rate(lps)
10~30
The Advantage of PDC Core Bit
The PDC Core bit has designed a shallow parabolic profile and medium cutter density for coring the medium hard formation. Nozzles options according to the hydraulic request, it is installing the size of the mainly PDC cutter is 1308mm, and the most popular blade is 6 blades, 7 blades, 8 blades, to enhance the rock core drill bits’ ability to drill in hard formations. Special TSP gauge or PDC Arc-cutters to protect the diameter.
The superior patented tool testing method provides the best PDC cutter for any challenge.
Soft to medium-hard formation with low compressive strength interbedded with hard layers.
Cab be used for different rock types: Mudstone, limestone, anhydrite.
Application of PDC Core Bit
Polycrystalline Diamond Composite (PDC) core bits were originally designed for oil drilling. The surface of the cylindrical PDC cutters consists of high-quality synthetic diamond particles sintered together by high pressure and temperature. The PDC core drill bits have high tool hardness, wear resistance and toughness, and the bits are widely used in oil, gas, mining and engineering drilling fields.
PDC rock coring bits are ideally suited for use with high power drilling rigs operating at relatively low speeds, and offer much better drilling life and penetration than surface fixed bits.
If you want to know more types of underground drill bits, please visit our website.
OEM PDC drill bit is short for Polycrystalline Diamond Compact bit. The other name for the PDC drill bit is Diamond bit. As one of the most professional OEM PDC drill bits manufacturers in China, Great bits design and manufacture a wide variety of Matrix body PDC bit and Steel body PDC bit. Produceg by Great, a drill bit factory in China, PDC cutters for sale are offered in a variety of sizes, blade count, and cutter sizes.
PDC Drill Bits For Sale
Matrix Body PDC Bit
Matrix body PDC bit is made by Tungsten carbide podwer, it is very high hardness material, mainly used for deep Oil & Gas well drilling.
Steel Body PDC Bit
Steel body PDC bit is made by AISI 4145H heat treatment steel manufacture, it has lower cost compare with Matrix body PDC bit.
Bi-center Bit
This type of Bi-center bit mainly used for medium to medium hard compressive and abrasive formation.
PDC Core Bit
GREAT customized made Diamond core bits, which including Matrix body and Steel body.
RC PDC Bit
RC PDC bit from GREAT are manufactured from AISI 4145H heat-treated steel.
PDC Bit Classification by Material：
What is PDC material? According to the production material, the PDC drill bits for sale on the current market can be roughly divided into the following two types:
Matrix body PDC bit: This type of diamond PDC bit is made of tungsten carbide powder, and the gauge protection is TSP.
Steel body PDC bit: With the AISI 4145H heat treatment steel (America standard steel ), the steel body PDC bit can be used for high-quality CNC machines milling pockets, blade, nozzles.
Most of the raw material Great uses for our diamond PDC bit is made in USA and France. Our supplier technical engineers will come to our factory to train our welder and have meetings with us so as to show their new products regularly. We communicate with our suppliers very well. So if our customers need it, we, as PDC drill bits manufacturers, can ask our engineers to have a meeting with each other face to face.
PDC Drill Bit Classification by Application:
Mining Industry
There are some 3-blade PDC bits mainly used for the mining industry in Australia, and Russia. The formation is very soft. Choosing a Steel body PDC bit can save more drilling costs.
Water well drilling
Having higher ROP, diamond PDC drill bits are also widely used as water well drill bits for geothermal drilling.
Oil & Gas drilling
– Polycrystalline diamond compact bit is the most widely used bit in the field of Oil &Gas drilling. Hydraulic factors are very important to the bit during drilling.
– PDC bits have been used in areas that were previously unavailable, such as harder, more abrasive, and more variable formations.
– This expansion into the new field has a great impact on the balance between the diamond (fixed cutter bit) bit and Tricone rock bit.
– The diamond PDC bit is mainly composed of the bit body, cutting teeth, nozzles, gauge protection, and API Thread connection.
If your drilling has any problem, GREAT can provide a solution and service.
PDC Drill Bit Specifications
There are several key specifications to consider when selecting a PDC drill bit. These include: Blade, Cutter Size and so on.
IADC Code
S333
Blade
6
Cutter Size (mm)
Ø19
Face Cutters Qty
(55)1913;(20)1613;
Stinger cutters (20)1621;
Gauge Cutters Qty
(36)1305;
Nozzles
9
Bit Connection
7-5/8” API REG
Junk Slot Area(In²)
87.3
Gauge Length (mm)
75
Make up Torque (kN×m)
82.5 – 90.8
IADC Code
S432
6
Cutter Size (Mm)
φ13
Face Cutters Qty
(57)1613; (36)1308;
Gauge Cutters Qty
(6)1308; (30)1305;
Nozzles
6NZ
Bit Connection
6 5/8” API REG
Junk Slot Area(In2)
29.7
Gauge Length (mm)
75
Make up Torque (Kn.m)
51.7 – 56.9
IADC Code
M423
6
Cutter Size (mm)
Φ16mm( 5/8in) ; Φ13mm(1/2in)
Face Cutters Qty
(36) Φ1613mm
Gauge Cutters Qty
(12) Φ1308mm
PDC Updrill cutters Qty
(6) Φ1308mm
Back-Up Cutters Qty
(23) Φ1308mm
Nozzles
6
Bit Connection
4-1/2” API REG
Junk Slot Area, in2
16.4
Gauge Length (mm)
65
Make up Torque (Kn.m)
24.1-26.5
IADC Code
M232
Bit Size
8 1/2” × 4”
Total Cutters (Qty)
32
Primary Cutter Size
1308;
Blade
6
Nozzles
6
Bit Connection
CHUAN 7-4
Gauge Length (inch)
1.5
Make up Torque (Kn.m)
13.4 – 16.3
Bit Size
12 1/4”
Blade
3
Cutter Size, мм
Φ19
Cutters Qty
(23)1913;(14)1308;
Bit Connection
6 5/8” API REG
Gauge Length (mm)
72.5
Make Up Torque (Kn.m)
51.7- 56.9
Product Parameter
Pilot Size
4 3/4”
6 1/8”
Pass Thru Size
Drillable Size
7 1/2”
Body Type
Steel body
Blades Pilot /Reamer
5/2
First Row Cutters
(36)1308;
Backup Cutters
(15)1308;
Reamer Gauge Inserts
(8)1305;
Bit Connection
3 1/2” API REG
Nozzles Pilot / Reamer
5 Fixed Ports (8mm x 12mm)
/ 2 Small
Gauge Length
4.5”
PDC Drill Bits Design
The advanced designing software of GREAT is the guarantee of precision and reliability of the development. As a leading PDC drill bit supplier, our continuous improvement for a specific application results in continuously outperforming PDC drill bits for sale than the previous ones.
PDC Drill Bit
PDC drill bit is short for Polycrystalline Diamond Compact bit. The other name for the PDC drill bit is Diamond bit. As one of the most professional PDC drill bits manufacturers in China, Great bits design and manufacture a wide variety of Matrix body PDC bit and Steel body PDC bit. Produceg by Great, a drill bit factory in China, PDC bits for sale are offered in a variety of sizes, blade count, and cutter sizes.
PDC Drill Bits For Sale
Matrix Body PDC Bit
Matrix body PDC bit is made by Tungsten carbide podwer, it is very high hardness material, mainly used for deep Oil & Gas well drilling.
Steel Body PDC Bit
Steel body PDC bit is made by AISI 4145H heat treatment steel manufacture, it has lower cost compare with Matrix body PDC bit.
Bi-center Bit
This type of Bi-center bit mainly used for medium to medium hard compressive and abrasive formation.
PDC Core Bit
GREAT customized made Diamond core bits ,which including Matrix body and Steel body.
RC PDC Bit
RC PDC bit from GREAT are manufactured from AISI 4145H heat-treated steel.
PDC Drill Bit Classification by Material：
What is PDC material? According to the production material, the PDC drill bits for sale on the current market can be roughly divided into the following two types:
Matrix body PDC bit: This type of diamond PDC bit is made of tungsten carbide powder, and the gauge protection is TSP.
Steel body PDC bit: With the AISI 4145H heat treatment steel (America standard steel ), the steel body PDC bit can be used for high-quality CNC machines milling pockets, blade, nozzles.
Most of the raw material Great uses for our diamond PDC bit is made in USA and France. Our supplier technical engineers will come to our factory to train our welder and have meetings with us so as to show their new products regularly. We communicate with our suppliers very well. So if our customers need it, we, as PDC drill bits manufacturers, can ask our engineers to have a meeting with each other face to face.
PDC Bits
PDC Drill Bit Classification by Application:
Mining Industry
There are some 3-blade PDC bits mainly used for the mining industry in Australia, and Russia. The formation is very soft. Choosing a Steel body PDC bit can save more drilling costs.
Water well drilling
Having higher ROP, diamond PDC drill bits are also widely used as water well drill bits for geothermal drilling.
Oil & Gas drilling
– Polycrystalline diamond compact bit is the most widely used bit in the field of Oil &Gas drilling. Hydraulic factors are very important to the bit during drilling.
– PDC bits have been used in areas that were previously unavailable, such as harder, more abrasive, and more variable formations.
– This expansion into the new field has a great impact on the balance between the diamond (fixed cutter bit) bit and Tricone rock bit.
– The diamond PDC bit is mainly composed of the bit body, cutting teeth, nozzles, gauge protection, and API Thread connection.
If your drilling has any problem, GREAT can provide a solution and service.
Polycrystalline Diamond Compact Bit
PDC Drill Bit Specifications
There are several key specifications to consider when selecting a PDC drill bit. These include: Blade, Cutter Size and so on.
IADC Code
S333
PDC Dril Bits for Sale
Blade
6
Cutter Size (mm)
Ø19
Face Cutters Qty
(55)1913;(20)1613;
Stinger cutters (20)1621;
Gauge Cutters Qty
(36)1305;
Nozzles
9
Bit Connection
7-5/8” API REG
Junk Slot Area(In²)
87.3
Gauge Length (mm)
75
Make up Torque (kN×m)
82.5 – 90.8
IADC Code
S432
PDC Bits for Sale
Blade
6
Cutter Size (Mm)
φ13
Face Cutters Qty
(57)1613; (36)1308;
Gauge Cutters Qty
(6)1308; (30)1305;
Nozzles
6NZ
Bit Connection
6 5/8” API REG
Junk Slot Area(In2)
29.7
Gauge Length (mm)
75
Make up Torque (Kn.m)
51.7 – 56.9
IADC Code
M423
Diamond PDC Bit
Blade
6
Cutter Size (mm)
Φ16mm( 5/8in) ; Φ13mm(1/2in)
Face Cutters Qty
(36) Φ1613mm
Gauge Cutters Qty
(12) Φ1308mm
PDC Updrill cutters Qty
(6) Φ1308mm
Back-Up Cutters Qty
(23) Φ1308mm
Nozzles
6
Bit Connection
4-1/2” API REG
Junk Slot Area, in2
16.4
Gauge Length (mm)
65
Make up Torque (Kn.m)
24.1-26.5
IADC Code
M232
PDC Bit
Bit Size
8 1/2” × 4”
Total Cutters (Qty)
32
Primary Cutter Size
1308;
Blade
6
Nozzles
6
Bit Connection
CHUAN 7-4
Gauge Length (inch)
1.5
Make up Torque (Kn.m)
13.4 – 16.3
Bit Size
12 1/4”
Bit PDC
Blade
3
Cutter Size, мм
Φ19
Cutters Qty
(23)1913;(14)1308;
Bit Connection
6 5/8” API REG
Gauge Length (mm)
72.5
Make Up Torque (Kn.m)
51.7- 56.9
Product Parameter
Pilot Size
4 3/4”
Polycrystalline Diamond Bit
Pass Thru Size
6 1/8”
Drillable Size
7 1/2”
Body Type
Steel body
Blades Pilot /Reamer
5 / 2
First Row Cutters
(36)1308;
Backup Cutters
(15)1308;
Reamer Gauge Inserts
(8)1305;
Bit Connection
3 1/2” API REG
Nozzles Pilot / Reamer
5 Fixed Ports (8mm x 12mm)
/ 2 Small
Gauge Length
4.5”
PDC Drill Bits Design
The advanced designing software of GREAT is the guarantee of precision and reliability of the development. As a leading PDC drill bit supplier, our continuous improvement for a specific application results in continuously outperforming PDC drill bits for sale than the previous ones.
PDC Bit Design
3D Scanning Nuclear Model Of PDC Drill Bits For Sale
PDC Drill Bits Price
How much does a PDC drill bit cost? You may be interested in this. While PDC rock drill bits price varies from different materials and types. To increase the efficiency and quality of use, the PDC bit cost is an important part of the equipment, which is why you cannot compromise on their quality. All the pdc drill bits for sale are subjected to strict quality control by Great Drill Bits to ensure that you always receive maximum satisfaction. Contact us to get the quote for your customized PDC drill bits.
If you want to know more about pdc drill bit sizes, please visit our website.
Hybrid drills bits are compounded by the PDC fixed cutting and the roller free cutting structure. The teeth on the cone crush the rock by impact crushing, forming broken pits at the bottom of the well, and making the bottom of the well uneven. It can weaken the strength of the bottom rock. The auxiliary function of the cone facilitates the PDC tooth to enter the formation, which is more beneficial to the PDC tooth scraping and cutting rock.
Developed a personalized composite drill bit series for complex hard-to-drill formations, which has strong formation adaptability in difficult-drilling formations such as hard formation abrasive formations, tight mud shale, and heterogeneous formations such as conglomerate formations. High rock breaking efficiency and fast drilling speed.
Hybrid bits produced by Great Drill Bits, an experienced drill bit manufacturer, combine PDC and cone drill technology for smoother drilling, better torque management, and precise maneuverability.
The great brand of hybrid drills is a superior directional drill for motor and rotary applications, offering higher cumulative speed capability, damped torque response and precise steering capability on a variety of bottom hole assemblies.
PDC is matched with cone optimization, and the drill bit has strong adaptability and high rock-breaking efficiency in hard-drilling strata.
The hybrid bit utilizes the cutting advantages of PDCs soft formations and the rock breaking strength and stability of roller cones in hard or intercalated formations, with the potential to maintain a higher total rate of penetration (ROP) than an older cone or PDC single bit over a larger range of footage.
The balance analysis and optimization of the composite cutting structure balance the working stability of the drill bit with the adaptability of the formation and improves the service life.
Computational fluid dynamics (CFD) optimization analysis of bit watercourse and nozzle to improv flow field distribution and cleaning cooling effect.
Drag bit are manufactured from forged high-quality alloy steel and hard alloy, plus state of art welding technology and multiple precision heat treatment to provide the highest penetration rate and longest lifespan at the roughest condition.
A wing drill bit is usually designed for soft formations such as sand, clay or some soft rock. However, they will not work well in coarse gravel or hard rock formations. Uses include drilling water wells, mining, geothermal, environmental and exploration drilling. Whenever possible, they should be used to drill pilot holes because they produce cuttings that are easiest to log.
Three-wing bits tend to drill faster, whereas four-wing bits are longer-lasting, more durable, and drill a straighter hole.
The Advantage of Drag Bit
The blade system allows you to replace worn or damaged individual blades rather than the entire bit. The cost of purchasing multiple blade types and sizes is much lower than the unit. Prepare a variety of blades to ensure your time on site is most effective. The wing bit drilling, drag bit drilling is suitable for the formation with low hardness and high plasticity.
From 3 7/8″ three-step bits to 6 1/4″ four-step bits to the various sized chevron bits, this replaceable blade system offers high-quality carbide-tipped wings that weld onto your pipe or threads are cost-effective and versatile.
Cangzhou Great Drill Bits Co.,Ltd. also produces and sells various drill bits for oil fields, mines, geological surveys, hydrology exploration, engineering piling, geothermal development, Wells and other applications. At the same time, we will provide specific solutions according to customer requirements and actual drilling conditions
The PDC Reamer manufactured by Great Drill Bits will be your best choice to deal with the complicated situation. Our PDC reamer brand is Crocodile.
No matter be drilling or after finish drilling, no matter what kind of formation, the“Crocodile PDC-reamer” will give you reliable, efficient drilling experience, it can increase drilling efficiency, make a more better-quality wellbore. What more, the “Crocodile PDC reamers can prevent pipe sticking, reduce probability or malfunction.
During the drilling operation, we may have met some complicated formation, just like limestone, sticking salt and so on, the drilling stem almost be contorted like a curve of sine as the depth added. You will get a poor quality wellbore, it will be a huge challenge for tubular running. What more, reduce efficiency and need more cost.
The Details of PDC Reamer for Sale
What is the Crocodile PDC-R eamer:
Like a stabilizer;
Reduce probability or pipe-sticking;
Increase drilling efficiency;
Reduce cost;
Suit for MWD and another high-tech tool;
High-quality borehole;
Effective work with lower torque.
The Advantage of PDC Reamer for Sale
The body of “Crocodile PDC-reamer” comprised of high-quality steel or non-magnet material, it’s so reliable that it can meet all kinds of challenges. The non-magnet material suit for MWD and another high-tech tool, it can give you unprecedented operation efficient. Compare the stabilizer or conventional reamer, the carbide inserts arrangement on the blades was design by the “equal density” principle, it can effectively cut the wall of a hole. All the carbide inserts exposed in the mudflow, it can take enough cooling and lubrication. So, the wear and tear of inserts are more slowly, and also effective work at lower torque.
The special tapered surface design ensures that the cutter is exposed to the drilling fluid. Therefore, this can clean the certification and extend its life, increase fluid flow and avoid drill bits.
As a drill bits factory, we will do our best to meet all the needs of customers.
This type of bicenter bit mainly used for medium to medium-hard compressive and abrasive formation, it has medium and high-density parabolic crown and heavy cutters density for the bit has good impact resistance and anti-abrasive, high wear-resistant diamond gauge, the bi-center drill bit has a longer service life.
In directional applications, bi center bit performance usually presents performance challenges in terms of efficiency versus power availability and dynamic issues.
Cangzhou Great Drill Bits Co.,Ltd. designed the bi-center bit to enlarge the wellbore diameter, to replace under reaming, to help control rouble zones and for expandable tubular.
Bi-center Bit Design
As one of drill bit manufacturers in china, we designed this bi-center bits with close attention to hydraulic optimization to improve chip removal and ensure effective tool cooling. In addition to the improved hydraulic configuration, the cutting configuration was carefully studied to ensure that it is both effective and balanced – not only on conventional components but also when used in combination with a bent-case motor. This design concept of bi center bitscombined with GREAT’s wide range of PDC cutters grades and geometries results in a bi-center drill with excellent drilling performance.
The Advantage of Bi-center Bit
Our Bi-center bit is one piece body, you will never worry about broken.
We can adjust the bi-center diameter according to your casing diameter. Generally speaking, the bigger pilot bit has a smaller reaming size. The smaller pilot bit has a bigger reaming size.
GREAT’s casing protection features cutting structure that provides a reliable way to drill, protecting both the cutting structure inside the casing and the casing itself.
During the design process, the pilot and reamer cutting structure of this PDC bit are force balanced as a single unit. This provides the bi center drill bits increased drilling efficiencies in both vertical and deviated wells.
If you want to know more about center drill bit sizes, please visit our website.
Great Drill Bits has customized manufacture several types of roller bit. The traditional roller bit was cut by tri cone bit. So it is including No.1, No.2, No.3 Cone cutters.
There are Cone 1 & cone 2 & cone3, wedge cutters design resulted in a high drilling efficiency in recommending formations. The roller cone is traditional tricone bit legs, increased carbide quantity on the dorsal metacarpal can protect leg back from damage by debris efficiently.
The Advantage of 120 ° U-shaped Single Roller Bit
Bearing with high saturated nitrile rubber reduces sealing pressure and improves sealing reliability.
G-Gauge protection improves the gauge ability and prolongs the service life of the bit.
A row of teeth is added between the back taper and the outer row to dress the wellbore and protect the body of the cone.
We are strictly quality control our Roller bit quality, The precision of CNC lathes is ±0.01mm, it can meet all the turning requirements. And after turning a certain number of pieces, we must change the tool of lathes to make sure the precision of the machine.
According to the manufacturing standard the quality department tests every process strictly and carefully.
The tricone roller drill bit mainly used for Rock reamer (Hole opener) For HDD (Horizontal directional drilling ) Trenchless technology.
But also used for Core barrel, with roller bit, like piling foundation project. Our popular size is 8 1/2’’, 9 7/8’’, 12 1/4’’ and 17 1/2’’ Roller bit .If you are looking for a high quality products ,just feel free to contact with us .
Now the price of tricone roller cone drill bits is reasonable, anything you need, please contact us.
If you want to know more types of cone shaped rollers, please visit our website.
A reamer is a rotary tool with one or more teeth that is used to remove small layers of metal from a hole’s machined surface. The hole is reamed to a specific size and form after reaming.
A Rock Reamer is used to ream holes in previously drilled workpieces (or reamed). A reamer is primarily used to increase the hole’s precision and eliminate surface roughness. A reamer is a tool that is used to finish or semi-finish holes with small machining allowances.
A reamer used to machine cylindrical holes is more prevalent, while a reamer used to machine tapered holes is less common.
2. Different types of reamers
1) A reamer’s construction is primarily made up of a working component and a shank. The working component of a reamer is primarily utilized for cutting and calibration duties, with an inverted taper on the calibration place’s diameter. The fixture clamps the shank, which comes in both straight and tapered versions.
2) The reamer is classified as a hand reamer or a machine reamer depending on how it is used; it is also classified as a cylindrical reamer or a conical reamer depending on the shape of the reamed hole (standard cone a reamer has 1: 50 taper pin a reamer and Morse taper a reamer two types).
Straight and spiral grooves are offered on the reamer. The most typical material for a reamer is high-speed steel with carbide inserts.
Machine reamers are separated into straight shank machine reamers and tapered shank machine reamers. Hand reamers are commonly made of alloy tool steel (9SiCr), whereas machine reamers are made of high speed steel (HSS).
3) Reamers are classified as cylindrical, conical, or stepped depending on the shape of the reamed hole. As one of the professional pdc bits manufacturers, GREAT Bit provides various types of rock drill bits including PDC bit, tricone rock bit, Rock Reamer & Hole Opener, etc., which are of high quality and can be used for hard rock drilling. Great Drill Bits can produce various sizes of hdd rock reamers according to customer requirements. If you have any coming HDD projects , just feel free to contact with us. Our team of experts is ready to assist you in choosing the most suitable directional drill reamers based on your project’s specifications.
4) There are two sorts of reamer installation clip methods: shank and set.
5) The tooth groove is split into two types based on its shape: straight groove and spiral groove.
The dimensional precision of the hole being machined, as well as the reamer production costs and service life, are all affected by the reamer diameter tolerance. Reaming “expansion” occurs when the hole diameter is larger than the reamer diameter due to radial runout of the cutter teeth, reaming amount, cutting fluid, and other reasons.
Because of the blunt radius of the cutting edge extrusion hole wall, the hole will recover and shrink, which is known as reaming “shrinkage.” Both “expansion” and “contraction” components are usually present.
Reaming high-speed steel reamers results in expansion, reamer reaming with carbide results in shrinkage, and reaming thin-walled holes results in shrinkage as well.
A reamer’s nominal diameter is the same as the hole’s nominal diameter. The quantity of expansion, shrinkage, and wear tolerances should all be considered when calculating reamer variations up and down.
3. A reamer’s tooth count and tooth grooves
Reaming accuracy, surface roughness, chip spacing, and tool tooth strength are all affected by the number of teeth on a reamer. Its value is usually dictated by the diameter of the reamer and the substance of the workpiece.
While a reamer’s diameter is large, it’s best to have more teeth; when processing tough materials, a reamer’s number of teeth should be reduced; when processing brittle materials, a reamer’s number of teeth should be increased.
The tooth pitch distribution of reamer teeth along the perimeter of the knife might be equal or uneven. A reamer is often made according to the distribution of equal tooth pitch to make it easier to manufacture.
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