Vibratory hammer for excavator. 00% on both new and used Excavator Vibratory Hammer items.

Vibratory hammer for excavator Combined with OMS power packs flowrate up to 2000 lpm and pressure rate up to 350 bar, Wide range for various ground conditions and depths, The MKT V-5Esc Side Clamp Vibratory Hammer is the industry’s first rentable side clamp vibro. The Dawson excavator mounted, vibrating pile driver is the perfect tool for driving relatively short piles in sands and gravels. RPI Construction Equipment specializes in selling, servicing, and renting piling driving equipment, drilling rigs, clamshell buckets, crane rock grapples and solar pile installation equipment. The length of drivable pile increases as the size of the excavator increases. Excavator Mounted Vibrating Pile Drivers by Dawson | Hammer & Steel 1-800-325-pile (7453) Mississippi Valley Equipment Company is proud to offer MKT's ESC (excavator side clamp) vibratory hammer line, the most rugged, hardworking and reliable excavator mounted side clamp vibratory hammers on the marketplace. Discover the Sheeting Hammers Model 500, a high-performance vibratory hammer offering powerful dynamic force, exceptional pile clamp strength, and advanced hydraulic systems. The variable moment (phase shifter) of OVR (Excavator Mounted Vibro Hammer) Variable Moment Vibratory Hammers adjusting the position of the eccentric masses. m (weighing 12. Our excavator-mounted vibratory hammers are the result of more than three decades of continuous engineering. Sep 30, 2020 · Crane or Excavator Some pile driving jobs are best handled by crane-hung vibratory pile hammers. Müller, owned by ThyssenKrupp, has a proven track record for more than 50 years as a manufacturer of leading edge products. employment; pile driving inquiries; mkt Dieseko (ICE & PVE merged) produces some of the best Excavator mounted Vibratory Hammer in the market. A wood pile clamp is available as well as caisson beam and clamps. Our excavator mounted vibratory hammers are attached easily to excavator pump system and can be operated in a very short time. 1203 Ozark North Kansas City, Missouri 64116, USA Aug 23, 2023 · 6. 221. Discover their advanced features for enhanced efficiency. It is best used in working environment with restricted space, drainage and river-bank maintenance works. These models drive piles up to 15 meters deep, even in hard ground conditions. The line consists of pile driving lead systems for 30, 45 and 60 ton excavators. Since 1928, PTC has specialized in developing vibration techniques, and has played a leading role in the development of the vibrodrivers. Rent excavator-mounted hammers and accessories from trusted manufacturers. There are different types of vibro hammer for loose, medium-dense, dense and very dense soil. A vibro hammer, also known as a vibratory hammer, is a construction equipment used in foundation engineering and construction projects to drive or extract piles into or out of the ground using vibrations. . Regardless of the application, our experienced team can help select the right pile driving equipment for your particular job. The drawing is easily accessible in DWG format, ensuring compatibility with most CAD software. It works by transmitting high-frequency vibration energy to the pile, which causes the surrounding soil particles to become loose and reduce the resistance to pile penetration. The side clamp design of MKT vibratory hammers increases pile driving efficiency in a safe and cost-effective manner while creating the perfect solution for low head room applications. The MKT V-2Esc Side Clamp Vibratory Hammer is the industry’s first rentable side clamp vibro. The user can plumb it to the auxiliary hydraulics of the excavator or use a hydraulic power pack to operate the hammer. The VibroSafe can be used with 90% of all quick hitch systems from 12–25 tonne excavators. Through the 1950’s and after, the Soviets developed a variety of vibratory pile-driving hammers and soil drilling equipment. 00 *Apply for Financing Opens in a new tab. Caisson beam and clamps are in stock and available for rental or sale with this hammer. This vibratory hammer can easily be installed on any excavator, allowing you to work in confined spaces where the use of conventional piling equipment is difficult. It uses the hydraulic power from the excavator. Two of the most important types of vibratory hammers designed by the Soviets include the VPM-170 and the VU-1. 4774! GeoQuip Power Systems, LLC. We recommend suitable pile driver attachments according to different piles. Overall 28% of Excavator Vibratory Hammer buyers enquire on only used listings, 64% on new and 9. (HPSI) understands every nuance when it comes to vibratory hammer rentals in Missouri, pile driving and excavating equipment sales and rentals, hydraulic augers, and anything else you’ll need to achieve a sturdy foundation for your project. Related topics. It is the smallest of the four hammers and it's designed for use with an excavator. We stock a rental fleet of CZM drilling rigs and piling rigs, HMC Movax side grip vibratory hammers, HMC STR20 solar pile driving rigs, and Anvil Established in 1987, OMS has mastered the design and manufacture of vibratory pile driving/extracting machines, hydraulic power packs, hydraulic clamps and soil improvement equipment. DANUSER HAMMER SM40 Pile Driver. Our Excavator Mounted Vibratory Hammers are used to drive or extract various steel profiles; sheet piles, H-beams, and I-beams and the bigger types, fitted with double clamps, casings and tubular piles, can be driven. Excavator-Mounted Hammers / Model 6E Specifications. Hydraulic Power Systems offers Vibratory (vibro) hammers on reatals basis in Kansas City Missouri. m (weighing in excess of 120. Available side clamp vibratory hammer sizes and requirements: There are 4 sizes of MKT side clamp Jan 7, 2021 · This setup is necessary if the excavator cannot provide enough hydraulic pressure and flow to operate the vibratory hammer and perform other functions simultaneously. That said, most operators prefer to use hydraulic motor vibratory hammers because they are more powerful and weigh half of electric vibratory hammers. Hammer & Steel sells, rents, and services German made Müller H-Series and HFV-Series vibratory hammer equipment in the United States and Canada. Hammer & Steel, Inc. can drive sheet piles or steel tubes up to 49 ft. in hard ground formations. The advantages of the excavator mounted vibratory hammer are its small size and simple operation procedure. Tests have demonstrated that the vibration level of a HF hammer—measured at a distance of 6 feet from the driving element—equals the level of vibrations produced by a low frequency hammer at a distance of 48 feet. Variable Moment Technology. We offer seven models for your needs and budget. The ESF 12 is the biggest excavator size vibratory hammer and . With ergonomic design and high performance, various capacity OMS Excavator Mounted Vibratory Hammers provide long life, problem free pile driving application. 1203 Ozark North Kansas City, Missouri 64116, USA Vibratory hammer selection guide was prepared to select the best machine for your project needs. The wireless remote control allows for operation of the hammer from the excavator cab or from the ground. Hydraulic Power Systems, Inc. The SP-50, SP-80, and SP-100 Sonic Side Grip Vibratory Pile Drivers from HMC Movax are excavator-mounted attachments with articulating side grip that speeds up the pile driving process on any job site. These compact hammers are built to last. 5-tonnes) through to 70kg. The dynamic weight of the hammer will drive the elements into the soil (extracting is done with a crane). Driving depth and soil types are very important to select your vibro hammer. Phone: 888 ICEUSA1(423-8721) Corporate Office 301 Warehouse Drive Matthews, NC 28104 USA Electric Vibratory Hammer (CEV) atau biasa disingkat Vibro Hammer merupakan salah satu alat pancang yang relatif tidak berisik dan ramah lingkungan, karena suara dan getaran yang dihasilkan tidak sebesar yang dihasilkan pukulan palu (hammer). Developing and manufacturing Vibratory Hammers is our core business for over 45 years. Vibratory Hammer for sheet pile driving & extracting the piles Hydraulically operated 360° rotation function is convenient for easily positioning and clamping the sheet pile. Our MÜLLER side grippers are capable of picking up, positioning, and driving a pile with the vibratory hammers in a single operation. Down-crowd force applied by the excavator boom, coupled with the self-weight of the pile and the vibrator, provides sufficient force to push the pile into the ground. 18 hours ago · Seller: Southern Plains Equipment. MKT has proven technology for handling every geological challenge facing foundation engineers and contractors. 0-tonnes). Vibratory hammer with side grip and excavator mounted rototilt The MKT V-4Esc Side Clamp Vibratory Hammer is the industry’s first rentable side clamp vibro. Easy Operation PVE (Piling & Vibro Equipment), based in the Netherlands, manufactures High Frequency and Variable Moment hydraulic vibratory hammers from 8kg. new. 4774! The vibratory pile driver is a special pile-driving tool for excavators. power pack unit like PS 300. In general, we install this equipment on the excavator. MüllerVibratory Hammers. OVR series of vibratory pile driving machines have been designed to be powered by the hydraulic system of the excavator it is fitted to. High-quality and durable elastomers are adopted to isolate vibration from being transmitted to the excavator, thus eliminating vibration and protecting the machine. S -CN-600 60 TON45 300 BAR S-CN-500 50 TON 300 BAR300 BAR-CN 450 TON Anteng has three subsidiary companies: Anteng Piling Equipment Co. These vibratory drivers / extractors are designed and manufactured in the USA by ICE®, a world leader in cost-effective foundation equipment since 1974. Contact us today for more info! Side Grip Vibratory Hammer Pile Driver Excavator Mounted Sheet Vibro Hammer. ABOUT VIBRO HAMMER Vibro hammer, also known as a vibratory hammer and pile driver, is a versatile construction tool that excels at driving and extracting piles. The MKT V-52 Vibratory Hammer is the largest hammer that MKT produces. With this excavator mounted type vibratory hammer you will work fast and efficient and with less staff. Feb 25, 2020 · This hammer was powered by a 28 kilowatt electric motor, and had a dynamic force of 214 kN. A vibratory hammer is used to drive sheet piles, pipes or other elements into the soil by vertical vibrations. Specially designed OVR excavator mounted vibratory hammers are easily adapted to the excavator by connection bracket produced by OMS. FACTORY Address: ASO 1. The hammer is then operated by the excavator driver, who has complete control of the piling job. Hammer & Steel sells, rents, and services a full line of vibratory hammers, also known as vibrodrivers and vibro hammers, from leading manufactures. Amplitude / eccentric moment can be easily adjusted from minimum to maximum with a variable motor (phase shifter). It is the smaller of the two newly designed side clamp pile drivers which have variable frequency. Established in 1987, OMS has mastered the design and manufacture of vibratory pile driving/extracting machines, hydraulic power packs, hydraulic clamps, and soil improvement equipment. Due to the increasing demand for an excavator mounted vibratory hammer for working in limited spaces SMS designed and developed a heavy duty new sidegrip vibratory hammer model called PARS SGMK series with interchangeable clamp system. The hammer comes with a 700 horsepower power pack, 150’ hose bundle and standard sheet pile clamp. Our vibratory hammers are designed to fit excavators from 8 to 50 ton. PTCHydraulic Vibratory Hammers. Hydraulic Motor Vibratory Hammers. Pinakin Solutions is a Construction Equipment Rental Company. Compact design – The compact design of Mabey’s excavator-mounted vibratory hammer makes it simple to integrate. 7. HPSI Model 500 Vibratory Pile Hammer From GeoQuip Power Systems. The MKT V-20B Vibratory Hammer is a reliable upper-midsize hammer with power pack, 100’ hose bundle and universal sheet pile clamp. They’re the nimble duet partners, always ready to take the stage. Our first SMS branded vibratory hammers were made 12 years ago in 2004 and our first Side Grip range was made in 2012. ESF12 size vibratory hammer is attached to 47-50 ton class excavators or can be operated by . 2010 BRUCE SGH1412 Pile Driver. MKT's comprehensive line of pile hammers, vibratory driver-extractors, fixed lead and auger systems continues a tradition of meeting the demand of the construction industry. This is a key advantage on space or height-restricted job sites especially, as conventional excavator-mounted vibratory hammers have to pick up the As the World's One-Stop Foundation Shop®, International Construction Equipment, Inc. For more details call today at 816. Manufactured in the U. It is equipped with a 3. A vibratory driver extractor with Variable Moment Technology has the capability to produce no amplitude, or moment (energy), when the hammer is started and stopped. Drain line is a connection from hydromotor oil leakage to excavator tank. 6. frequency rpm Max. Dieseko Group’s PVE builds hundreds of hydraulic vibratory hammers every year. PTC is a leading company which specializes in designing and manufacturing a wide range of vibratory hammers for piling equipment. Crane Suspended Vibratory Hammers: These are the graceful ballerinas of the vibratory world, suspended from cranes and performing with Established in 1987, OMS has mastered the design and manufacture of vibratory pile driving/extracting machines, hydraulic power packs, hydraulic clamps and soil improvement equipment. 0-tonnes), as well as special application Normal Frequency vibratory hammers up to 500kg. Get reliable equipment to finish your projects. The HMC Sonic SideGrip® Vibratory Pile Driver is an excavator-mounted attachment with an articulating side grip that speeds the pile driving process on any job site. The durable, reliable vibratory hammer equipment produces vertical vibrations to drive a variety of profiles including steel sheet piles and H-piles. The adjacent soil particles are put into motion and thus the soil is ‘loosened’. Jun 30, 2020 · Crane or Excavator Some pile driving jobs are best handled by crane-hung vibratory pile hammers. Our heritage includes being a manufacturer of gears which lead us to become involved in vibratory hammers and pile driving equipment market. Using an excavator-mounted hammer can save money by using equipment you likely own and reducing the amount of peripheral equipment required for the crane. A vibro hammer which is also known vibratory hammer is a construction equipment used to drive or extract piles into or out of the ground using vibrations. contact. With simple adjustments, the power and hydraulic pressure of the excavator can propel the vibratory hammer. 1203 Ozark North Kansas City, Missouri 64116, USA Hydraulic Vibratory Hammer for Crane or Excavator Use The MKT V-5E Vibratory Hammer, is a popular mid-size vibro hammer that is very versatile and capable of driving all different types of pile. OMS Side Grip Vibro Hammer can be fitted easily and quickly without any modifications required to the excavator and is controlled directly by the excavator operator. The YG Piling Hammers for excavators are especially suitable for short and medium pile projects such as municipal administration, bridges, cofferdams, and building foundations. A. Our fleet of vibratory hammers includes vibro hammers for excavators or cranes from just 1,200 pounds up to pile drivers that weigh 16,850 pounds. Crane hanging, excavator mounted and side grip vibratory hammers, Vibroflot and wick drain inserter machine, Hydraulic vibratory hammer from 2 kgm ~ 200 kgm, with centrifugal forces from 140 kN ~ 4380 kN. Across the United States, GeoQuip Power Systems/HPSI vibratory hammers do what only a select group of specialized equipment can: These crane-suspended machines drive or extract massive sheet piles, king piles and pipe piles for heavy civil and marine projects. MÜLLER EXCAVATOR-MOUNTED VIBRATORY HAMMERS WITH SIDE GRIPPER. It is a piling machine that uses impact force to penetrate the column into the ground. The vibro hammer can be easily and quickly fitted without any motifications required to the excavator and is controlled directly by the excavator operator. Excavator Vibratory Hammer are listed between $2,500 and $87,000, averaging at $41,819. USD $79,500. Excavator Mounted Vibratory Pile Drivers. INTERNATIONAL CONSTRUCTION EQUIPMENT Vibratory Hammers Excavator Mounted with Swivel Head 230SH ICE Eccentric moment kgm Max. This is a key advantage on space or height-restricted job sites especially, as conventional excavator-mounted vibratory hammers have to pick up the Variable moment – zero to 2100 in-lbs Variable Moment, AKA Zero-Resonance, hammers enables zero eccentric moment at start-up and shut down to eliminate disturbance to soil, structures and crane. Pipe pile driving capability with sliding caisson type clamp system - Excavator Mounted Vibro Hammer (OMS Vibratory Hammer) OVR 60 S The Tomen VM2-2500 vibratory hammer is a powerful and efficient pile driver that is ideal for a wide range of construction projects. These ABI attachments can be easily mounted to your excavator utilizing the existing hydraulic circuitry. 5 to 18 kgm. With hammers ranging from 25 tons - 80 tons of driving force we've got the right size hammer for yo Vibratory hammers also known as vibratory pile driver is a tool to drive sheet or tube piles to the soil by vertical vibrations. For more details Call at 816. ,Ltd, Anteng Heavy Machinery Co. Unique designed SMS S series excavator mounted vibratory hammers are easily adapted to the excavator by connection bracket produced by SMS. 00% on both new and used Excavator Vibratory Hammer items. ,ltd, Jiangsu Anteng Machinery Co. static line pull kN Max. Lian Hup Brothers Pte Ltd offers a wide varieties of industry-regulated and quality equipment ranging from road construction equipment such as excavator, wheel loader, motor grader, skid steer loaders, generator, air compressors, heavy duty vehicles such as dump trucks, cargo truck, mixer trucks, concrete pump truck, lorry crane, prime movers with trailers, lifting and project management Side clamp vibratory hammers mix a perfect blend of ruggedness and power to effectively drive pile of all shapes and sizes in any environment. We continue to provide innovative products to our customers and the highest quality parts. An intuitive control and assistance system allows the operator to achieve maximum potential productivity with a high-level of precision during the entire pile driving process. The EML30, EML45, and EML60. Excavator, you can Control all movements of your vibratory hammer ,You can do + / - 30° piling and can see your piling angles from the programmable piling machine worked actively. ,Ltd. Sheet Pile Vibratory Hammer RV-250 Produce crane hung vibratory hammers; excavator lead system; hydraulic augers; impact hammers / lead systems; resources. Sheet Pile Vibratory Hammer RV-250 Attachment . A line is a feeding line for hydromotor and B line is for clamp open action. sells, rents, and services many of the world's finest brands of pile driving equipment including diesel hammers, vibratory hammers, and impact hammers. oil flow L/min Dynamic weight **) kg Total weight **) kg L x W x H **) mm Recommended clamp A quick indication of which hammer can be used on which excavator, can be realized by Excavator Mounted Hydraulic Vibratory Hammer is a machine widely used to drive and extract steel sheet piles. It is the larger of the two fixed frequency side clamp hammers and it's designed for use with an excavator. Excavator-Mounted Vibratory Hammers: Custom-made to partner with excavators, these hammers offer the ease of mobility and quick setup. These machines are used to drive and extract piles of all configurations. Remote-control pendant for vibrator and clamp with emergency stop. Oct 21, 2021 · Electric Vibratory Hammers vs. 5-ton centrifugal force and a variable frequency drive, making it capable of driving piles of various sizes and materials through even the most challenging ground conditions. Explore the Excavator Model 10 and Model 80E Vibratory Hammers, offering top performance and durability for demanding construction projects. Typically, fewer workers are needed to operate an excavator-mounted hammer. See also some other excavator mounted vibratory hammer. is proud to offer the innovative ABI excavator mounted vibratory drivers/extractors and excavator mounted hydraulic augers. Electric vibratory hammers utilize a large electric motor on top of the hammer to rotate the counterweights. Vibro hammer yang dipasangkan ke excavator (umumnya disebut excavator mounted vibro hammer – EMV), memiliki beberapa karakteristik yang membuat alat ini sangat cocok untuk memancang (dan mencabut) sheet pile maupun pipa baja ke dalam tanah dengan bantuan getaran frekuensi tinggi dan tekanan dari atas oleh arm dan berat alat itu sendiri. The renowned Dieseko Group is perpetually developing new solutions and refining its cost-efficient pile driving equipment. Feb 10, 2021 · There is no need for support equipment, trenching, or pre-drilling when an MKT side clamp vibratory hammer is mounted onto an excavator. SMS Excavator mounted vibro hammers designed with high mobility and cost performance and can be used as attachments on the arms of hydraulic excavators. amplitude **) mm Max. Buyers usually enquire on 1. Anteng’s main products include: excavator mounted vibro hammer, side grip vibro hammer, hydraulic breaker, earth drill, telescopic arm, hydraulic pile breaker, silent pile driver and etc. Call us at 816. The adaptor comes pre-assembled; eliminating the need for the fitting or removal of bolts and pins. We offer standard vibratory hammers as well as side clamp vibratory hammers that can be mounted to excavators with sequence valves, hydraulic manifolds, or hydraulic power units. Our vibratory hammer inventory includes hydraulic power units with hose bundles for crane use as well as clamps for all types of pile such as sheet pile, steel H-beams, timber pile, pipe pile, and concrete pile. Now, experienced and dedicated engineers developed a rigid and extremely reliable side gripper. Phone: 888 ICEUSA1(423-8721) Corporate Office 301 Warehouse Drive Matthews, NC 28104 USA Here, I will show you our hot sale excavator vibratory hammer. Crane Suspended Vibratory Hammers Hydraulic Power Systems Offers a wide range of Excavator Mounted Vibratory Hammers on a rentals basis in Missouri. Berminghammer developed the EML (Excavator Mounted Lead) line of pile driving equipment for general contractors looking to drive their own piles. For various ground conditions and depths, long-life, for a powerful and high-quality OMS vibro hammers are equipped with a wide range of hydraulic clamps. These hammers are available for rental or sale and can be used with excavators or cranes. An ICE-PVE vibratory hammer is known for its reliability and power, especially combined with a Powerpack. Oct 18, 2023 · Because they are equipped with advanced technological features, MOVAX SideGrip® excavator-mounted vibratory hammers offer a precise solution for projects requiring higher accuracy levels. Thanks to our wide product range, a good match for your excavator and project is within reach. It can be used to drive timber pile with the optional wood pile clamp in stock. The VibroSafe connects Excavator Mounted Vibratory Hammers via the excavator’s quick hitch system. The equipment offers a highly productive and cost effective piling rig based around a standard, readily available Excavator-Mounted Hammers / Model 8E Specifications. Regardless the material you’re hammering into the ground, ICE-PVE hammers are equipped with a wide range of wood, universal, pile and caisson clamps. This complimentary AutoCAD drawing provides detailed plan and elevation views of a robust and versatile excavator vibratory hammer, also known as a hydraulic pile driver, pile vibrating hammer, vibro hammer, or impact pile driver attachment. An excellent choice for driving in and extracting sheet piles, as well as H & I profile beams. High power output – The heavy-duty 450 model provides up to 450kN of centrifugal force – more than enough to handle sheet piles. Hydraulic Vibratory Hammer can be easily mounted to the dipper arm of the excavator, utilizing the existing hydraulic circuitry of excavator with simple adjustment. Manufacturer: Vibra Description More secure and quicker than conventional Pile Drivers available, this model highlights a side and base clip to effectively pick up, tilt and turn piles for more precise outcomes. centrifugal force kN Max. There are many clamps available including a universal sheet pile clamp, timber pile clamp, pipe pile clamp, and mandrel type “California stinger”. is the leading international manufacturer and distributor of vibratory drivers and extractors, diesel hammers, hydraulic hammers, excavator-mounted rotary heads and hammers, large and small-bore drill tooling (including EDME Kelly Bars), limited access drills Compared to a low frequency vibratory hammer, a HF hammer produces less vibration in the nearby surroundings. In stock and ready to deliver ! This range of hydraulic vibratory hammers is designed to be mounted directly on the dipper arm of excavators and powered by the hydraulic system of the excavator. We possess an extensive fleet of Crane mounted Vibratory Hammers Electric and Hydraulic, Boom Placer, Piling Rig, Crane, Excavator, Compressor, etc. Free Hanging Leader Guided Excavator Mounted Type Dieseko Group BV is the worldwide market leader in hydraulic vibratory hammers for the foundation industry. From the World’s largest vibratory driver/extractor to the original low headroom vibro, APE will always be your source for the solutions that work. Excavator vibro hammer can replace different jaws according to different types of piles for piling construction. After the hammer was lifted on the pile some fireworks were let off to set to scare away the evil spirits, as custom in China, 18 minutes later the pile was to grade! This marks a milestone for APE China and it's ability to continue to provide the largest hydraulic vibratory hammers to the China market along with local service and manufacturing. Liquefaction of soil around the pile body, reducing pile side friction and soil resistance, and under excavator pressure, vibration pile hammer and pile weight sank to the soil. MKT's industry leading excavator mounted side clamp vibratory hammers mix a perfect blend of ruggedness and power to effectively and efficiently drive pile of all shapes and sizes in any environment. SMS has been a dominant manufacturer in vibratory hammer and piling sector since 1970. 72 different Excavator Vibratory Hammer classifieds before organising finance. USD MÜLLER EXCAVATOR-MOUNTED VIBRATORY HAMMERS WITH SIDE GRIPPER. OMS vibro hammer is a world brand in the production of vibratory pile driving equipment, with its products performing in all conditions around the globe. m (weighing 1. Established in 1987, OMS has mastered the design and manufacture of vibratory pile driving/extracting machines, hydraulic power packs, hydraulic clamps and soil improvement equipment. Vibratory Hammer with Hydraulic Power Pack for Crane or Excavator Use The MKT V-2E Vibratory Hammer is one of our most popular pile drivers. Mounted on excavators for superior maneuverability, these hammers offer significant advantages over traditional crane-mounted pile drivers. These hammers have an eccentric moment ranging from 0. , the Sonic SideGrip® uses an excavator’s hydraulics to safely and quickly pick up, unload, place, drive and extract piling. S. Naturally, the process works in reverse for pile extraction. opb rrww efdfnif flpdpz hevp bhfoxp mlgx zdfrdw orqg vkbp