Double Disc Mower
Double disc mowers can spread or windrow the harvested material by changing rotation direction of the cutting discs. They also come with adjustable swath plates which can be adjusted for a narrow swath or a swath as wide as the width of cut when moisture content is high at harvest. Another advantage of double disc mowers is that the blades can readily get under lodged plants and cut the plant even in the toughest conditions. Discs are commonly made in an oval-shape which provides knife overlap and allows cut crop to flow efficiently through the mower.
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Product Introduction
TRANRY: Your Professional Double Disc Mower manufacturer!
Products have been exported to more than 30 countries and regions including Brazil, Chile, Argentina, South Africa, Australia, Russia, Ukraine, Kazakhstan, Egypt, Algeria, Pakistan, and Poland.
Rich Experience
We have been engaged in agricultural machinery manufacturing since 1999, with 24 years of manufacturing, sales and export experience. The factory area exceeds 90,000 square meters, 6 complete production lines and more than 80 experienced employees provide support for our production.
Professional Agricultural Machinery
Our products are mainly various tractors with power ranging from 8HP to 300HP. We also supply other agricultural machinery and equipment, including backhoe loaders, excavators, trailers, diggers, planters, harvesters, sprayers, plows, rakes, etc.
One-Stop Service
Our R&D, technology, service and after-sales teams will provide professional, energy-saving and reliable product solutions during your purchase process. Service staff are online 24 hours a day to provide professional one-stop services to customers in the agricultural field.
Product Quality Assurance
We follow a strict quality management system and have passed industry implementation standards such as ISO14000, ISO9001, GJB9001-2001A, etc., so that the safety and reliability of our products are guaranteed. Quality inspection specialists will also inspect every production link.
Disc mowers are by far the most popular type of mowers due to their higher speed of operation (higher field capacity) and ability to cut material under almost all conditions.
Double disc mowers can spread or windrow the harvested material by changing rotation direction of the cutting discs. They also come with adjustable swath plates which can be adjusted for a narrow swath or a swath as wide as the width of cut when moisture content is high at harvest. Another advantage of double disc mowers is that the blades can readily get under lodged plants and cut the plant even in the toughest conditions. Discs are commonly made in an oval-shape which provides knife overlap and allows cut crop to flow efficiently through the mower.
Related Products
Multi-disc mowers are high-performance agricultural machines used to efficiently cut grass and hay in large fields. These mowers consist of multiple moving discs, which are powered by a tractor's power take-off (PTO) and can cut a swath of grass up to 32 feet wide.
Flail mower is an innovative machine designed to provide a quick and efficient way of cutting grass and other vegetation. With its unique design and advanced features, flail mower has gained popularity among farmers and landowners all over the world.
Double disc mowers use two discs that rotate in opposite directions to cut the grass. The discs are equipped with sharp cutting blades that slice through the grass, providing a clean and precise cut. These mowers are designed to work in all types of terrain, from flat to hilly, and are perfect for mowing large fields or farm areas.
Sickle bar mower is a highly efficient and reliable tool used for cutting grass, hay and other vegetation. It is an important piece of equipment for farmers, gardeners, and landscapers as it makes their job easier and more productive.
The fingerwheel rake is a piece of agricultural machinery that plays a crucial role in the harvesting process. This equipment is designed to rake up hay and other crop residues and gather them in neat rows, making it easier for farmers to collect and store their harvest.
SL mower is a top-of-the-line lawn mower that is designed to make your mowing experience faster and more efficient. The mower features a durable body made of high-quality materials.
Mounted Disc Mowers:These mowers are attached to the side or rear of a tractor and are designed for mowing hay or other crops. They can be either side-mounted or rear-mounted and typically have a lower profile than other types of disc mowers, which makes them better suited to uneven or rocky terrain.
Trailed Disc Mowers:These mowers are towed behind a tractor and are designed for use in large fields or when mowing multiple fields in a row. They can be quite large, and typically have a high capacity cutting system to handle large volumes of crop. What configuration best fits your operation side-pull or center-pivot disc mower? Side-pull disc mowers are ideal for customers looking for an economic and simplistic machine. Center-pivot machines are ideal for farmers looking for versatility which allows them to be able to mow on each side of the tractor vs side-pull mowers that can mow to only one side. The center-pivot disc mowers also excel at maneuvering through tight areas.
Triple Mowers:These are disc mowers that have three cutting units and are designed to create a wider windrow with each pass. They are ideal for large farms or custom operators with high volumes of hay or other crops.
The Advantages of a Double Disc Mower
The Disc Mower Design
Blades are mounted onto multiple small discs, which are then mounted on top of the cutter bar. This approach allows the blades to quickly rotate. Each disc typically has two free-swinging blades attached. Gears or a shaft will drive the discs and are usually found inside the cutter bar. The cutter bar moves along the terrain and determines the disc mower's cutting height. Many folks describe disc mowers as an improvement or "step up" from the sickle bar design.
The Versatility of Disc Mowers
One key benefit of disc mowers is their ability to handle many types of vegetation. They can do more than cut simple grass. They can also handle thicker vegetation, such as hay. They won't get clogged tackling crops like many other cutters would. The versatility of disc mowers is advantageous, especially when it spares you from buying multiple pieces of cutting equipment. Instead, make one purchase and get all the cutting power you need.
The Efficiency of Disc Mowers
Another great benefit is the speed that disc mowers can operate. Many models can hit 15 miles per hour and some can go even faster. This impressive cutting speed helps you work smarter, not harder, to get your mowing project done sooner. Less time spent cutting means more time to cross other projects off of your to-do list. Plus, disc mowers come with a hydraulic lift that makes transitioning between tasks a breeze. Mow a field, drive over to another field, then start mowing again. The more small and spaced out fields you maintain, the more you will appreciate this efficiency!
The Durability of Disc Mowers
Some agricultural equipment breaks down faster than others but disc mowers stand the test of time. They can work hard on various terrain without breaking down and needing parts replaced. Our disc mowers even come with features to prevent damage. A break-away device, for example, helps prevent damage from happening when you cruise around corners or over difficult terrain. This durability means you'll spend less money on parts replacement and repairs.
The Easy Transportation
The disc mower's hydraulic folding system makes transportation and storage a breeze. You won't be stuck with a time-consuming or stressful process moving the model around. Instead, it will be quick and simple.
Disc Mower Technologies
When using the roller conditioner, the hard stalks are squeezed through the rubber rolls and the delicate, nutrient-rich leaves are protected. The specially developed interlocking rubber profile elements ensure intensive but gentle conditioning of legumes and other leafy forage types.
The spring tine rotor and the four-position adjustable conditioning comb produce a wavy forage structure permeable to air, the result of a number of interacting tools which open the top layer of the leaves, thus facilitating the drainage of water. Through intensive air circulation, moisture loss is accelerated and the dissipation of ground moisture which may be present is encouraged.
For a straight force path with high efficiency, the large-dimension drive pinion and mower pinion are arranged in series. The large gear wheels guarantee a lower rotational speed and therefore create lower wear costs. Even with a varying load, smooth running is ensured. With 3.5 teeth engaged, the convex-ground and tempered gear wheels always achieve reliable power transmission and functional reliability. The interplay between all components also results in low-noise operation.
The streamlined design with profiled base and hardened skids guarantees maximum forage quality. This enables the soil to be cleanly separated from the forage and to flow away under the cutter bar, even during field forage harvesting in poor conditions or on wetlands. The raw ash content in forage is reduced to a minimum and the sward is protected.
The contact pressure can be adjusted without tools by means of the dial. Once set, the system recalibrates itself automatically to every headland, thereby guaranteeing a constant contact pressure, even on long working days. The completely depressurised switch-off of the mower in the parking position is unique. The driver can activate the depressurised switch-off via a pressure-relief button on the mower's control device.
Adjust Your Mower-Conditioner Before You Head to the Field
Adjustments to the Cutting Head
When disc mowers are set to cut too low, crops experience slow regrowth and often an elevated ash content. Skid shoe alterations change the cutting head height. Lodged crops require raising the skid shoes to tip the knives forward for a lower cutting height. Conversely, if fields are rocky, lowering skid shoes to raise cutting height is necessary. The angle of the cutter bar can be adjusted between 4 and 10 degrees below horizontal. Set at a 4 degree angle in rough or rocky conditions, a 7 degree angle in normal conditions, and a 10 degree angle for a downed crop. The head should float or ride over objects. This is accomplished by using a "milk" spring scale to check the necessary lifting force of each side of the head. The forage specialists recommend a float setting of 35 to 50 pounds for rocky fields and 50 to 70 pounds for normal conditions.
Adjustments to the Conditioning Rolls
The ultimate goal when cutting hay is achieving adequate conditioning and drying, while minimizing leaf loss. Underconditioning elevates the risk of rain damage, while overconditioning will increase cutting, raking, and baling losses. For roll conditioners, focus on roll clearance and roll pressure. Some key points to keep in mind for properly adjusting roll conditioners are as follows:
- Set the conditioner roll clearance at 1/16 inch, which creates noticeable steam breakage and accelerates stem drying. At least 90 percent of stems should be broken or crimped every 3 to 4 inches. Setting roll gap is the most critical adjustment and can be checked with rolls of aluminum foil (12 inches by 12 inches) rolled into 1-inch tubes. Measure the foil thickness after feeding it through the rolls, which can be turned by hand. For an in-depth description on how to check your conditioner rolls, check out the University of Wisconsin factsheet.
- Roll pressure needs to be set tight enough to achieve a consistent roll gap. Tension may need to be loosened with less mature crops to prevent overconditioning. Watch rolls for excessive wear in the center over time. Replace worn rolls for more uniform and consistent drying.
- Lay out an even windrow that is as flat and wide as possible, without ridges or clumps of crop. Wide windrows reduce drying time, resulting in better leaf retention. For the widest possible windrow, set the "swath board" at its lowest or flattest position.
- Impeller or tine conditioners are designed for grasses rather than alfalfa. Check impeller speed and clearance between the impeller and hood. Slow rotor speed is desirable to eliminate overconditioning. Narrow the hood clearance for adequate conditioning but not so close that leaves are shredded. Reducing clearance too much results in machine plugging.
- Closely examine stems before making alterations. If the waxy layer is showing scratches, conditioning is good. Widening the clearance between the rotating finger and hood will lower conditioning intensity.
Maintenance of Disc Mower
Changing Out the Blades
Disc mowers rely on quality blades to get the job done. These blades will need to be removed in two situations:
- They are past their prime and no longer working well
- You want to flip them over to extend their lifespan.
- For this project, you will need a socket wrench and the operation manual. The steps for this disc mower maintenance task:
- Remove the nut and bolt that connect the blade to the knife mounting disc.
- Depending on the blade's condition, either remove it or flip it.
- For replacing the blade, check that the new blade's lift angle matches the lift angle of the old blade.
- Check that the blade is properly oriented as the right hand knife or left hand knife. Here, consulting the owner's manual can help.
- Put the washer, bolt, and nut back on, then tighten with the socket wrench.
Changing Out the Spindle Unit
Despite best efforts, the spindle unit can become damaged. This often happens when the disc mower's cutter bar hits an obstacle. For this project, you will need a socket wrench, the operation manual, a piece of wood, and a pry bar.
The steps for this disc mower maintenance task:
- Grab a piece of wood and place between any two discs. This effectively locks all the cutter bar's discs into place.
- Take the cap on top of the knife mounting disc off.
- Take off the nut and washer that's holding the disc in place.
- Remove the splined mounting disc with a pry bar.
- You should now be able to see the spindle unit.
- Take off the bolts holding the spindle unit in place.
- Remove the spindle unit. If it's tough to remove, use the pry bar.
- Make sure the area around the cutter bar's surface is clean. It's important to keep debris from falling into the bar.
- Check that the O-ring on the new spindle is aligned with the groove in the casting.
- Insert the new spindle.
- Use the bolts to secure the new spindle.
- Re-install the splined mounting disc. Note that this will reset the timing of the unit, so check that the timing is correct.
- Put the washer and retaining nut back on the spindle shaft, then tighten them.
- Check that the washer cup points to the bottom.
- Replace the knife mounting disc with blades and top cap.
- Check that the knife mounting disc is oriented correctly, which you can find details about in the owner's manual.
- Insert the bolts.
- You may need to adjust the splined mounting disc position to get the timing set right. Remember that incorrect timing can damage the disc unit when you next start up the disc mower.
- Tighten the bolts on the top cap.
Common Problems with Disc Mower and Their Solutions
Gearbox Issue
Pulleys on gearboxes frequently fail, resulting in keyways being walled off. Frequently, the bearing on this mower becomes heated. This occurs in disc bines, where a single shaft drives the belt pulley while the other serves as an input. If there had been a bearing, it would have solidly locked up rather of just pulling down after lengthy usage. Your belt might be too loose or just worn out.
The Fix:
It is necessary to replace the shaft pulley on the gearbox. It is necessary to do the necessary adjustments on the belts of the disc mower.
Belt Problems
Customers have complained in the past that belts are flimsy and cause a number of issues. As you mow, the belt may slide, but eventually it will wear out and no longer be able to drive the mower. A great deal of heat will be created if the belts are sliding. An increase in temperature may also result from a broken connection between the output puller and the gearbox.
The Fix:
Examine the belts to determine their settings. This disc mower's belt should be tightened
Driveshaft Issue
Misalignment of the drive shaft is another common issue. Be sure that any dowel pins or dowel pin holes between mating surfaces are in good condition. Twisted driveshaft is another common issue of this disc mower. The disc cutter is equipped with a potentially breakable hex shaft. Old shaft looked to be partially broken, as indicated by the presence of rust in the break.
The Fix:
Replacing the driveshaft would be a smart and quick fix for this driveshaft issue.
Cutting Wheel Problem
The issue is that the cutter bar doesn't fully engage. The cutting bar of the mower is of low quality.
The Fix:
Check the hydraulic filter for metal fragments or other material that might indicate a failing hydraulic component.
How Does a Drum Mower Work?
Drum mowers have only just started to become more popular in the area near Lexington and Louisville, but how does a drum mower work? Here's what you should keep in mind:
- Generally speaking, a drum mower cuts grass using two or three large plates known as drums.
- As you drive, a drum mower will cut the grass as you go and lay it out behind you.
- Since drum mowers do not spread the cut grass out in a wide swath, additional tedding is usually required in order to ensure proper drying.
How Does a Disc Mower Work?
Each of the smaller discs works a lot like the drums of the mowers described above! The main practical differences concern the fact that disc mowers are often heavier than drum mowers, and usually require some kind of hydraulic support in order to function properly. Disc mowers tend to be larger than drum mowers, and can cut a wider swath - but it's also true that drum mowers can be driven more quickly than their disc-powered counterparts.
Although you can outfit both drum motors and disc motors with conditioners that aid in the drying process, disc mowers are generally better for hay drying operations because the smaller discs spread out the hay more effectively than the drum mower's larger plates.
Drum vs. Disc Mowers: Which is Right for You?
There are several important points to keep in mind when comparing drum vs. disc mowers for your own operations:
- Drum mowers are lighter and smaller than disc mowers, and they can be driven with less horsepower.
- Disc motors require hydraulic lifting, and hydraulic lift capabilities can be very handy in cases where you're moving between several small fields.
- Disc mowers can cut more grass with each path. However, drum mowers can be driven more quickly than disc mowers.
- Disc mowers are more expensive than drum mowers, often by a significant factor. However, since many come with built in conditioners that can make the drying process that much easier, many farmers near Flemingsburg find that they're worth the cost.
Ultimate FAQ Guide to Double Disc Mower
Q: What are disc mowers used for?
Q: What are the pros and cons of a disc mower?
Disadvantages - Requires hydraulics; potential to cut grass too short; increased weight of machine; increased cost over sickle bar mower.
Q: What is the difference between a disc mower and a mower conditioner?
Q: Which is better drum or disc mower?
Q: How fast can I mow with a disc mower?
Q: Is a disc mower better than a sickle mower?
Q: Can you flip disc mower blades?
Q: Do I need dual blade lawn mower?
Q: What type of mower gives the best cut?
Q: Why buy a reel mower?
Q: Is it better to mow fast or slow?
Q: Is 1000 hours on a mower a lot?
Q: Why do commercial mowers cut better?
Q: Why is brushless mower better?
Q: Should front or back be higher on mower?
Q: When should I replace my disc mower blades?
Q: Why buy an expensive lawn mower?
Q: What is the best mower for tall grass?
Q: Which is better drum or disc mower?
Q: How fast can you mow with a disc mower?
Q: What is the difference between a disc mower and a mower conditioner?
Q: How long do lawn mowers last?
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