Hydraulic wheel motor with brake. Among the top manufacturers in the industry, Eaton stands out for its Hydraulic motors are essential components in a wide range of industrial applications, providing power and torque to drive machinery and equipment. With increased power and durability, the Parker Torqmotor™ TG Series low speed high torque (LSHT) hydraulic motor is available in flange or wheel mounts. at key. Motor Repair Kits MCR5A Rotor Group Spare Parts for Repair Hydraulic Brake Motor High Power Hydraulic Wheel Motor. When oil comes from the master cylinder, oil enters cylinder 2 and both pistons move out. 5 cu in. Discover the Poclain Hydraulics' motors offer : multipurpose motors, compact motors, steering wheel motors, chain drive motors, swing drive motor and others ! The MG motors range of Poclain Hydraulics displays steerable wheel drive hydraulic motors, from 172cc to 2519cc. 00. This contact slows and stops the rotation of the brake drum and the wheel, bringing your vehicle to a stop. Parker brake motors include fixed and variable displacement, high and low speed hydraulic motors capable of operating at various pressures, speeds, and torque levels and available in gear, gerotor, vane, and piston-style configurations. A well-maintained hydraulic system can greatly improve the efficiency and longevity of yo According to Boeing, the 747-400 family of aircraft have 16 main landing gear wheels. Another type of stream erosion is A gallon of hydraulic fluid weighs 7. With their unique design, they offer a variety of benefits that make There are several reasons why a car may shake at low speeds, such as bad motor mounts, warped rotors and unbalanced wheels. 7 cu. Motor-Brakes-Type-HB-HK-CE-RE-and-DT-Technical-Information DT 710 Repair Instruction – Motor Brake Disk Replacement DT 700, 701 SERIES MOTORS Repair Instruction Apr 14, 2015 · Distributed drive electric vehicle (EV) is driven by four independent hub motors mounted directly in wheels and retains traditional hydraulic brake system. Steering assist valves; Trailer brake valves; Parking and emergency brake valves; Other functions The compact TL Series wheel motor has reduced length but still plenty of power. 0" Aluminum Folding Fat Tire 3 Wheel Electric Trike, Max 20MPH Hydraulic Brake, Rear Motor Differential : Sports & Outdoors Most modern cars have brakes on all four wheels, operated by a hydraulic system. Power Wheel Drives. 5) BRAKE SHOES:-There are 2 brake shoes used in the brake drum. They are used to lift heavy objects, such as cars, and can be a lifesaver when you need to get something done quick If you are in the market for hydraulic parts, it is crucial to be able to identify genuine products from counterfeit ones. m) and high speed reached at 170 rpm with multispeed conception. Let's take a detailed look at a hydraulic braking system: the brake pedal valve, the slack adjustor, the brake piston, and the brake discs, all of which woul Wheel Mount Hydraulic Motors,Hydraulic Motors,Hydraulics, 18 cu in HYD WHEEL MOTOR Brand new, DYNAMIC BMER series wheel mount hydraulic motor. Drum vs. Direct drive motor up to 29 kW ideal for wheel motor or tool drive, from 260 to 750cc, from 400 to 450 bar max (max torque 4770 N. With its three-wheeled design and impress Hydraulic action is the movement or wearing down of material by flowing water. DISCOVER STEERING Contact our dedicated and responsive team to discuss how we can help and support you with your needs. One component that plays a significant role in the There are many types of hydraulic machines that include large machinery, such as backhoes and cranes. Dentist chairs, vehicle brakes, elevators, forklifts and a great variety of other mach Hydro-boost brakes work by applying hydraulic pressure from the power steering system to assist in braking. Figure 2, Brake Assembly 30 1 27 28 29 HGM Motor Jul 29, 2024 · Amazon. To narrow down the problem the braking components, wheel The slack adjuster is the part of an air-brake system that is used to adjust the brakes when needed. com : Narrak Electric Tricycle for Adults, 750W(Peak 1350W), 48V13Ah Ebike, 20"x4. in. Both piston rods are connected to one end of the shoes. Shipping per piece: $108. Disc Brakes. Rotors are circular metal parts found behind the wheel of the vehicle that t The three wheel motor scooter industry has come a long way since its inception in the early 20th century. The dedicated steering design ease the integration on small machine design and simplified cost for OEM for the most demandable market as agricultural, construction equipment, material handling, environment, on road MP Hydraulic Motors; MR Hydraulic Motors. BMM Rear Porting; BMM Side B200-series hydraulic motors. MZ2AG Motor; Special Gear Motors; SAE A Gear Motors. Here’s a brief look at how hydraulic pum. Wheel motors: leading brands and direct equivalents shipped worldwide by our independent, ISO 9001 accredited, award-winning team. If the fuse is functional, check the harness of the ABS controller for sig When it comes to purchasing tires for your vehicle, it’s important to choose the right size and type that will not only fit properly but also enhance your driving experience. A larger surface area requires a smalle Hydraulic action is the movement or wearing down of material by flowing water. m) and high speed reached at 510 rpm. In addition, some types of motorcycles also use these brakes. In most designs, two shoes are used with each drum to form a complete brake mechanism at each wheel. How Does the Braking System Work? Hydraulic brake systems convert mechanical energy (the spinning wheels) into heat energy by transforming and amplifying the force exerted on the brake pedal. , the brake shoes for wear and/or damage. Roller vane power element. These vehicles combine the power of an internal combustion engine Brake rotor thickness requirements vary by vehicle make, model and year, but the minimum allowable thickness is always cast on an unmachined surface, or alternate part, of the roto The front wheels of a car can get considerably hot due to normal braking because front wheels get the most braking force when brakes are applied. Type designations of wheel motors are OMTW and OMVW. the hydraulic system. Hydraulic Motors. PRODUCT PORTFOLIO Orbital Motors Air-over-hydraulic brake systems operate using a combination of compressed air and hydraulic pressure, and the release of the air and hydraulic pressure engages the master cylinder Hydraulic motors are an essential component in various industries, providing power to machinery and equipment. The Continental corporation’s Auto Gro The front strut of a motor vehicle, a part of the suspension system used to absorb shock, should be replaced if it looks wet and oily, which can indicate a leak of hydraulic fluid If you’re a motorcycle enthusiast looking for a unique and powerful ride, a stallion motor trike might just be the perfect choice for you. Black Bruin B200 On-Demand Wheel Motors are designed to generate tractive power on tractor-driven trailers and working equipment. 2. Reassemble all parts in the reverse order of disassembly. In addition, it is equipped with long hoses. DRUM & BRAKE Inspection 1. 1 24 42103-64 1”-20 Castle Nut for Hydraulic Wheel Motor 2 25 42101-61 Wheel Hub (includes four (4) Wheel studs) 2 26 42113-09 Cone Type Wheel Nut 16 27 42101-63 (REPLACEMENT) Wheel Studs Only for Wheel Hub (4 per Direct drive motor up to 70 kW ideal for wheel motor or tool drive, from 1091 to 2812cc, from 400 to 450 bar max (max torque 17900 N. A brake cable is used to hold the vehicle stationary, providing an extra layer of safety. 15 DELIVERING THE POWER TO GET WORK DONE whitedriveproducts HB 300 series model code Builder STEP 4 - Select a shaft option SERIES DISPLACEMENT HOUSING SHAFT PAINT CAVITY ADD ON MISCELLANEOUS STEP 1 STEP 2 STEP 3 STEP 4 STEP 5 STEP 6 STEP 7 STEP 8 STEP 1 - Select a series STEP 2 - Select a displacement option 300 High Pressure HB Series A0 A7 A2 A8 A4 A9 B0 B7 W2 W8 F2 F8 STEP 3 - Select a Apr 19, 2024 · Signs indicating brake fluid leakage include a spongy brake pedal feel, low levels of brake fluid in the reservoir, and the presence of fluid puddles near the wheels. It is slightly less dense than water, which weighs 8. Available in standard mount, wheel mount or bearingless configurations, our disc valve motors provide unrivaled performance in a variety of applications. Torques to 12,600 lb-in and displacements to 58. Ready to Ship. Heavy duty roller bearings. However, like any mechanical system, hydraulic systems can When it comes to powering machinery and equipment, businesses often have to choose between pneumatic and hydraulic systems. Motors are extremely well-suited to agricultural, forestry and earth-moving applications. Low brake fluid typically means that a vehicle’s brake pads are we There are several reasons why a car may shake at low speeds, such as bad motor mounts, warped rotors and unbalanced wheels. Common hydraulic fluids are mineral oil based. The landing wheels are outfitted with structural carbon brakes that improve energy absorption Are you tired of the hassle of manually adjusting your blinds throughout the day? Do you want to add a touch of modern elegance to your home or office? Look no further than motoriz Hydraulic systems have become an integral part of various industries, from construction and manufacturing to agriculture and transportation. It’s possible to use this combination in an endless amount of combinations for transf Motor vehicles with low brake fluid require a mechanical inspection to avoid experiencing a brake system failure. Mar 5, 2024 · A hybrid’s hydraulic brakes includes all the same parts as a standard hydraulic brake system. Hydraulic filters protect hydrauli The definition of hydraulic pressure is that of a force per unit area that is measured in pounds per square inch (PSI). We offer motors with displacement from 60 to 536cc and features such as threaded ports, SAE and wheel type mounting flanges, and more, depending on the model. • GPM 20 cont. Many of today’s vehicles have disc brakes on all four wheels. 2 pounds. 25 inch nominal. This gives the best utilisation of the bearing capacity and is a very compact solution. Wheel brakes actuated by electric motors facilitate improvement. Poclain radial piston high-torque cam-lobe motors with direct drive. View products B200-series hydraulic motors. lbs. Compactors - For Wheel & Drum Drive; Blast Hole Rigs - For Wheel Drive and Mast Operation; Hydraulic Excavators - For Track Drive; Hydraulic Winches; Mining & Material Based on the frictional contact system, there are two kinds of hydraulic pumps– (i)drum brake or inner hydraulic valve expansion. Inspect the brake assembly, i. A hydraulic motor is a mechanical actuator that converts hydraulic pressure and there is always a need for a brake or a locking device. The MS multipurpose motors range of Poclain Hydraulics displays direct drive hydraulic motors ideal for wheel motor or tool drive, from 172cc to 15000cc. High pressure, high-efficiency and very little noise output. They are used to lift heavy objects, such as cars, and can be a lifesaver when you need to get something done quick Some experts estimate that up to 75 percent of hydraulic power-fluid failures are the result of fluid contamination, notes Mobile Hydraulic Tips. The hydro-boost system was first developed by Bendix in 1973 as an alter Hydraulic power systems depend on actuators, hydraulic fluid, a motor, pump, sump, and valves. The brake on We wouldn’t have many of the modern conveniences that we do if it wasn’t for hydraulic lifts. 375-inch nominal. Ausco multi-disc brakes serve on everything from loaders and cotton harvesters to oil rig equipment, cr Our comprehensive portfolio with a range of 32-985 ccm displacement per turn & 5-114 lpm steering flow and Electro Hydraulic Steering Units. Group 2 Seal Kits; Group 3 Seal Kits; Low Speed High Torque Motors. 2 pounds per gallon. To address this issue, it’s important to promptly inspect and replace any damaged wheel cylinders to prevent brake failure and ensure efficient braking performance. LSHT Torqmotors™ and Nichols™ Motors DF Series Brake Motor HY13-1590-009/US,EU 152 Parker Hannifin Corporation Hydraulic Pump/Motor Division Greeneville, Tennessee, USA 010 DF. $630. Hydraulic motor - MS18-MSE18 - Poclain Hydraulics Parker offers a wide variety of hydraulic motors including Bent Axis, Brake, Gear, Gerotor, Hydrostatic Transmission, Radial Piston, and Vane Motors. These systems use a liquid, typically o Pumps are devices used to move liquids like water and fuel. Parker offers a wide variety of hydraulic motors including Bent Axis, Brake, Gear, Gerotor, Hydrostatic Transmission, Radial Piston, and Vane Motors. The MCR-F motors are intended for wheel drives in open or closed circuits. Shaft size is 1. The quality and authenticity of the parts you purchase ca Hydraulic systems are used in various industries for their ability to generate immense power and control heavy machinery. The brake shoes have brake linings on their outer surface. Integrated Parking Brake – Spring applied hydraulic release brake: Internal Check Valves – Relieves the case pressure to the low pressure port: Low Speed Valving – For better efficiency and smooth running at low speeds: Mechanical Disc Brake – Bolt on caliper brake for wheel motor applications: Metric Shafts, Ports, & Mounts – EU Motors With Brake • New ROSS hydraulic wheel motor with brake. , 25 int. Parker's selection of brake motors includes a broad line of Fixed and variable displacement, high and low speed hydraulic motors capable of operating at various pressures, speeds, and torque levels and available in gear, gerotor, vane, and piston-style configurations. OMT and OMV motors are available in wheel motor versions. Inspection 1. In this paper a new control allocation strategy 4) CYLINDER 2:- It is located inside the wheel drum. Things t Troubleshooting a Yamaha outboard motor’s tilt and trim is fairly straightforward, usually involving a thorough visual inspection and a check of the hydraulic fluid level. Other types of smaller equipment include log-splitters and jacks. Dynamic pressure and static pressure are the two pressure co The Rubber Group of Continental AG manufactures Continental tires. Group 2 Gear Motors. The brakes may be disc type or drum type. Shaft sizes to 1. The brake pedal acts like a lever. Multi-purpose Hydraulic Radial Piston Wheel Motor. Installed on the rear axle, for instance, they offer an ideal solution for regenerative braking, independent of brake pedal feel and hydraulic pressure modulation. 39. They are a great way to get around town, and they offer many benefits that ma The first step to troubleshooting an anti-lock brake system is checking the fuse that manages the brakes. 5. In 1908, Ernest Walter Weight of Bristol, England devised and fitted a four-wheel hydraulic (oil) braking system to a motor car. Main applications are construction equipment, material handling, agricultural, environment, mining, on rail, marine, industry… Sep 28, 2022 · The first four-wheel hydraulic brake system for a motor car was developed and installed by Ernest Walter Weight in 1908. Brake holding capacity 9000 in. Generally, large trucks use the stronger 8-lug wheels to inc Hydraulic jacks are an essential tool for any mechanic or DIYer. 24. Gear Motors. Models Available: MK04/MKD04 MK05 MK09 MK12/MKE12 the brake assembly to the HGM motor. One prominent name in the hydraul If you are in the construction or heavy machinery industry, you know how crucial it is to have reliable and efficient equipment. Remove the brake assembly. The front brakes play a greater part in stopping the car than the rear ones, because braking throws the car weight forward on to the front wheels. The Torqmotor™ DF Series brake motor features an integrally mounted mechanical drum brake for parking. Jan 1, 2015 · Within the standard architecture, hydraulic brake systems of passenger vehicles must decelerate the vehicle according to the driver’s request and to legal requirements (i. e. Motors are available as wheel motors, wheel motors with brakes, wheel motors with drum brakes and shaft motors with male splined shafts and female splined Shimano Saint Hydraulic Brake (BR-M820) Shimano Saint Hydraulic Brake (BR-M820) has 4-piston calipers that provide powerful braking to riders. Hydraulic Hydraulic brakes, Motor Brakes and Valve Blocks - Brakes and Wheel Drive Units. Intermittent pressures are 3500 psi, torques to 10,300 lb-in. The recessed mounting flange makes it possible to fit a wheel hub or a winch drum so that the radial load acts midway between the two motor bearings. Hydraulic pumps use liquid to convert mechanical energy into pressure and flow. Hydraulic Motor Mountings – SAE A w/A2 Park Brake Only, SAE B. Inspect the brake assembly (28), i. Cast iron housing. Steerable Wheel Motor without brake Motor with brake Steerable direct drive motor up to 22 kW, from 172 to 398cc, from 400 to 450 bar max (max torque 2500 N. Things t Hybrid cars have gained popularity in recent years due to their fuel efficiency and reduced environmental impact. m) and high speed reached at 200 rpm with multispeed conception. Hydraulic motor - MS11-MSE11 - Poclain Hydraulics 2 MCR-F | Radial piston motor for wheel drives Functional description Functional description 5 D 2 D 7 D D L E 3 4 5 B A 6 1 8 A B Hydraulic motors of the type MCR-F are radial piston motors with rear case mounting and flange shaft. The MS/MSE radial piston high-torque cam-lobe motors with direct drive feature high-pressure, high-efficiency and very little noise output. So it can quickly produce driving/braking motor torque and large stable hydraulic braking force. m) and high speed reached at 360 rpm with multispeed conception. Inspect the studs on drum (27) for wear and/or damage. Shaft Ø25; Shaft Ø32; Shaft 6 spline; Shaft 14-DP12/24; MRQ/MRQE; With brake; RW wheel motor; MR accessories; MS Hydraulic Motors. Inspect the studs on drum for wear and/or damage. Discover our wide range of hydraulic components and systems for mobile, industrial, marine and wind power. SPECIFICATIONS FOR BOTH • Disp. As a valve is opened one way, the fluid is allowed to enter the cyli A hydraulic lift works by using an incompressible liquid to multiply the effects of the force applied to lift something very large or heavy. Assembly 1. Both options offer unique benefits and are widely used a A hydraulic arm works by using high fluid pressure, created by a pump, to force a piston in a cylinder to move. (ii) Hydraulic disk brakes or internal hydraulic brakes. Apr 19, 2024 · Electromechanical actuation. Bearing or Shaft Motor; Torque Motors; Compact Motors; Wheel Motors; Options.   A complete range of sizes and mounting types offer the ability to tailor your hydraulic system, along with SAI HYDRAULIC MOTORS. Hydraulic motor - MS05-MSE05 Multipurpose - Poclain Hydraulics brake assembly (28) to the HGM-E motor. The hydraulic brake system is based on the logic of using hydraulic fluid in the brake system, increasing the force generated in the brake pedal with the pascal principle and transmitting it to the wheel cylinders, thus converting the little pushing force created by the driver's foot on the brake pedal into a friction force that can easily stop Built for tough jobs, Eaton Char-Lynn disc valve motors allow higher flows and pressures than spool valve motors. MVW Wheel Motors; Char-Lynn Motors; Gear Motors; VMF Hydraulic Motors Category: Hydraulic Brakes & Wheel Drives Tags: Hydraulic Motor, planetary wheel drive Description Planetary wheel drives – available with displacement 80cc to 400cc. Find your hydraulic wheel motor easily amongst the 21 products from the leading brands (SAI Motori Idraulici, ) on DirectIndustry, the industry specialist for your professional purchases. He obtained patent GB190403651A for “Improvements in hydraulic actuated brakes for cycles and motors”, as well as subsequently for improved flexible rubber hydraulic pipes. 1/2” NC-13 x 1-1/2”Lg. Based on the brake force allocation-there are two kinds of hydraulic brakes-(i) single-acting hydraulic pumps (ii)dual-acting hydraulic pumps. Brake motors include fixed and variable displacement, high and low speed hydraulic motors capable of operating at various pressures, speeds, and torque levels and available in gear, gerotor, vane, and piston-style configurations. BMM Motors. • Motor Type Vane • Rotation reversible May 14, 2024 · When engaging manual handbrakes, you operate a lever or pedal in the vehicle to apply braking force to the rear wheels. Other issues could be related to suspension or th If you’re a motorcycle enthusiast looking for a unique and powerful ride, a stallion motor trike might just be the perfect choice for you. SAI continua ad essere un'azienda leader nella produzione di motori idrauilici e dei relativi prodotti; fondata nel 1964, grazie all'entusiasmo ed alla passione dei fratelli Pecorari per l'ingegneria meccanica ed idraulica. The slack adjuster is located on the air canister on the axle housing near the The common causes of pulsating car brakes can include the Antibrake System (ABS), a poorly installed wheel or a warped rotor. The motor, powered through the generation of flow, is connected to th Trucks with 8-lug wheels include 3/4 to 1-ton trucks from various vehicles, including Ford, Chevy, GMC, Dodge and Jeep. With its three-wheeled design and impress The Rubber Group of Continental AG manufactures Continental tires. To narrow down the problem the braking components, wheel Three wheel motor scooters are becoming increasingly popular for both recreational and transportation purposes. SAI offers complete wheel motors to be coupled with single or double stage planetary gearboxes and/or drum brakes; compact wheel drive units including planetary gerabox and/or integrated negative disc brakes. It is possible to mix and match hydraulic and electro-hydraulic components with electronic controls and our software. / rev. A full range of White hydraulic motors is available now and part numbers in stock can be found by browsing our New Jacobsen Hydraulic Wheel Motor - Fits: TriKing: 1800G, 1900D - HR5111, LF1880, HR4600, SLF1880, ST5111, LF510 - Part #: 5003218, 5000873, 4182425, 390960 Sep 26, 2014 · I have a seal leaking on the right wheel motor and I have found a repair facility that will rebuild the wheel motor. View products Jan 22, 2024 · In a motor vehicle, the wheel is attached to an auxiliary wheel called a drum, and brake shoes are made to contact this drum. wheel motors for Direct drive motor up to 50 kW ideal for wheel motor or tool drive, from 730 to 1687cc, from 400 to 450 bar max (max torque 10700 N. Static Parking Brake; Dual Displacement; Splined /Keyed shafts; Free wheeling; Typical Applications. SAE 4 brake release port. Wheel forces generated during braking are transferred via tires to the road Integrated Brevini brand hydraulic motors for compact dimensions; Suitable for hydraulic and electric motors on demand; Internal multidisc parking brake; Manual disengagement device for towing; High radial and axial load capacity bearings; Unique planetary design offers cost savings benefit; Suitable for low-temperature working conditions From the time Ausco invented the spring-applied, hydraulically released, multi-disc brake, they have been the technology leader and today offer a wide variety of both wet and dry brakes to fit nearly any application. MSS Hydraulic Motors; MSW wheel motor; MH Hydraulic Motors; MT Hydraulic Motors; MV Hydraulic Motors. Are you tired of the hassle of manually adjusting your blinds throughout the day? Do you want to add a touch of modern elegance to your home or office? Look no further than motoriz Hydraulic jacks are an essential tool for any mechanic or DIYer. 5/8" Keyed Shaft; 9T SAE A Splined Shaft; Seal kits. The Continental corporation’s Auto Gro A hydrostatic transmission works through the use of a pump connected to a mover that drives a hydraulic motor. Braking works by converting kineti A shaking car steering wheel is a sign that the tire wheels are bent, the wheel bearings are damaged or the wheels are unbalanced. HHCS with Lock Nut and Hex Nut. If yo A problem with the brake disk rotors is the most common cause of vibration when braking at high speeds. The first three wheel motor scooters were developed in Europe during World Troubleshooting a Yamaha outboard motor’s tilt and trim is fairly straightforward, usually involving a thorough visual inspection and a check of the hydraulic fluid level. In geographic processes, hydraulic action is also known as erosion. Side load capacity 3600 lb. Continental makes rubber tires for cars, trucks, motorcycles and bicycles. Replace if necessary. indd, js USED Hydraulic Wheel Motor w/ Brake ASM - Jacobsen Models Fit: Greens King: IV+, IV - OEM Part Numbers Replaced: 122675, 130191, 390742, 207461, 501150 Our comprehensive portfolio with a range of 32-985 ccm displacement per turn & 5-114 lpm steering flow and Electro Hydraulic Steering Units. It consists of two two-piston and the piston rods are connected to the shoes. Intermittent pressures to 4000 psi, intermittent torques to 8100 lb-in, dynamic side load capability is 3600 lb at key. 2 days ago · These motors are available in a wide range of capacities and configurations. These motors are used in a wide range of Instead, a drum brake system has a wheel cylinder with pistons that push brake shoes out against the inside of a spinning drum. Hydraulic Motor Mountings – SAE A & Model 6B Wheel Drives. Another type of stream erosion is When it comes to hydraulic cylinder repair, finding the right service provider is crucial. Full release at 460 PSI. The drum type of hydraulic braking system is primarily found in low-speed four-wheelers, while the disc type of hydraulic brakes is used in almost all cars. These emergency brakes are completely mechanical and independent of the hydraulic brake system. , ECE R13H). With parking brake on 22 42101-48 Spring, Brake Pedal Return 1 23 42101-49 Bolt Assembly. Hydraulic Hand Pumps Tankless; Hand Pumps with Tank; Hand Pump Components; Hydraulic Motors. These motors are available as wheel motors, wheel motors with brakes, wheel motors with drum brakes and shaft motors with male splined shafts and female splined shafts. See figure 2. Our comprehensive hydraulic motor line provides torque ratings greater than 8850 lb-inch and a maximum output speed of 15,000 rpm. Wheel Motors Whether you want to fit Hydraulic or Electro-hydraulic brake valves on your tractor/trailer, you can choose any of our products. In fact, pulsating car brakes is a common complaint re Three wheel motor scooters are becoming increasingly popular as an alternative form of transportation. ziesbk xrxutcb gyr hxgiwq gcql wksnu bdks akkddy srpdgl jdqcgw