China Good quality H86911 Kinfe Drive Arm For John Deere Combine Header near me shop

H86911 Kinfe Travel Arm For John Deere Blend Header


This is Knife Generate Arm that matches multiple John Deere Cutting Platforms and Headers.
Suits John Deere Header(s) two hundred (s/n 530050-previously), 213 (s/n 530050-previously), 215 (s/n 530050-previously), 216 (s/n 530050-before), 218 (s/n 530050-earlier), 220 (s/n 530050-earlier), 222 (s/n 530050-previously), 224 (s/n 530050-previously), 230 (s/n 530050-previously) Replaces John Deere OEM nos H86911 For a Used edition of this sku use 423436

Replaces John Deere OEM nos H86911
For a Utilized model of this sku use 423436
All new, rebuilt and employed tractor parts have a 5-12 months warranty


The knife beam is designed to transmit oscillatory motion from the fork shaft to the head of the header knife.

This spare part is employed for changing a worn out or ruined component during repairs.


The beam is produced of solid iron by implies of moulding molten metallic. On the 1 side of the beam there is an opening with splines for mounting the beam on the wobble box, and on the reverse aspect there are repairing holes for the head of the beam.

▍Parameters of H86911 Kinfe Travel Arm

Bodyweight , W kg 1.forty six
Internal diameter , d mm 38
Variety of splines , F twelve
Amount of mounting holes , N two
Width , Wb mm eighty five
Size , L mm 80
Height , H mm 136
Thread , M M12
Length amongst mounting holes , b mm 72
Interior diameter , d1 mm forty two

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We Also Offer PTO Shafts & Agricultural Gearboxes

If you also require the PTO shafts, click on here:

We Also Supply Agricultural Gearboxes

Firm Details

You may possibly need gearboxes, hydraulic cylinders or a trailer hitch to get all your devices working and completely ready when you start off doing work your fields. We at HZPT will ensure your agricultural wants are fulfilled, supplying you with equipment and components that are ideal for your agricultural application. We’re happy to supply more than 6,000 parts in stock, so you can be positive we’ll have damaged areas in want of substitute. Whether you need hitch pins, blades, tines, PTO shafts, bale spears, disc bearings, roller chains, Caroni garden mower components or sprayers. Even treat oneself to a brand name new tractor seat for a far more comfortable and relaxed function day.

HZPT TRANSMISSION GROP, referred to as HZPT for short, Hzpt is a subsidiary of ever power,is a Chinese car and agricultural machinery areas maker, we do not create agricultural machinery, we produce substitute areas for agricultural machinery. We have been recognized for far more than 20 many years and have a wealth of experience and experience. With continuous growth, at any time-energy group has turn into a globally recognized chief in the automotive and agricultural machinery components market. Presently, our products are exported all more than the globe, such as Asia Pacific, South The united states and Europe.

Specifying a Ball Screw

When you require a high-top quality ball screw, it is essential to pick a single with the appropriate dimensions and requirements. When you are searching for the very best merchandise, you need to contemplate characteristics these kinds of as preloading, floor finish, and internal return technique. You can find out a lot more about these characteristics in this post. If you are not sure which type of ball screw to choose, contact a reputable supplier for more advice. To locate the ideal solution for your needs, click on listed here!


When specifying a Brinelling ball screw, it is vital to know how significantly axial load it can safely bear. The static load ability, which is offered in the catalogue, applies only to pure axial loading, and any radial load that is smaller sized than 5% of the axial load won’t pose a dilemma. For a lot more data, contact a CZPT engineer. Brinelling ball screw support lifestyle calculation need to be performed using the pursuing info:
Preload: The volume of load a ball screw can handle in the course of a one revolution. Preload is the load applied before the ball screw starts off shifting, and the load is generally amongst five and 10 p.c of the dynamic ability. Even so, a ball screw that is subject to vibration will encounter larger preload, requiring a lot more recurrent lubrication. The resulting mechanical pressure may possibly result in the ball screw to buckle, or trigger the nut to re-flow into the balls.
Vital ball speed: The greatest velocity at which the ball can move via the ball nut is known as the critical ball velocity. In distinction, managing the ball screw at its essential shaft pace can lead to abnormal vibrations, major to untimely failure of the end help bearings and brinelling of the ball track. Therefore, it is advisable to work a ball screw at a lower speed than the critical ball velocity to prevent brinelling and plastic deformation of the balls.
Fake brinelling: Bogus brinelling is a kind of Fretting. Untrue brinelling occurs when the bearings are not rotating. The motion will end result in depressions or wear marks in the bearing raceway. This will trigger sounds, dress in, and eventual exhaustion. If these circumstances persist, a newer ball screw ought to be used to check the technique. The device ought to be operate for numerous hours and analyzed before replacing the bearing.


The approach of preloading ball screws minimizes backlash by making use of stress to the threads in the opposite direction of the screw’s course of rotation. It stops any movement of the screw relative to the nut. Various methods are utilized for preloading. A widespread one is to use oversized balls inside of the ball nut. A double nut technique may possibly also be utilized. The two strategies are equally effective. Irrespective of the technique used, the finish result is the same – minimal backlash and improved performance.
In the typical strategy of preloading ball screws, the motors work concurrently in opposite instructions, causing them to have a relative motion of approximately equivalent magnitudes. This decreases the frictional resistance of the system, resulting in quick traverse. The method is able to run with small backlash for the duration of 110 inches of travel, reducing the heat developed by the generate nuts and the troubles linked with ball screw heating. Furthermore, this technique can be utilized in a vast variety of purposes.
Yet another strategy of preloading ball screws is known as the ball-choose strategy. This method contains the use of in excess of-sized balls that drive the balls into more contacts with the screw and nut than a normal ball screw. The edge of this approach is that it minimizes backlash due to the fact the balls are not machined to higher tolerances. The drawback of this approach is that the ball screw will value much more to manufacture than a standard ball screw and nut.
A traditional style contains a mechanical system that utilizes a sequence of balls to rotate a shaft. The dilemma of backlash is exacerbated by the mass of the shaft. The mechanical technique is far more intricate than necessary and typically calls for a good deal of work. The present creation eradicates these troubles by offering an improved method and apparatus for driving ball screws. This approach supplies a far more efficient preload power that is dynamically adjustable whilst the mechanism is running. The strategy can also boost friction and put on.

Internal return system

There are two distinct kinds of ball screws. The very first sort is external and the second is interior. The exterior kind uses return tubes that protrude from the ball nut and extend over and around the outdoors of the screw. The interior variety uses a single tube that spans the ball monitor, whilst the much more common design uses numerous tubes spanning 1.5 to 3.5 ball tracks. The inner program includes a single return tube and many pickup fingers that information the balls into the tubes.
The external return tube style is an easier, significantly less high-priced selection. The exterior ball return technique has limited space but can take care of a extensive assortment of shaft diameters and qualified prospects. Nonetheless, its bodily measurement helps make it incompatible with a lot of large-pace programs. As a result, mindful consideration ought to be offered to the mounting choices. Inside ball return systems are greatest suited for tiny leads and ball measurements. Individuals that need to have a higher velocity will probably benefit from the exterior ball return technique.
Internal ball screw technologies has also kept speed with the requires of linear generate methods. Ball screw engineering is now much more sturdy than at any time. Sturdy inner ball return systems circulate ball bearings through a strong pickup pin. These deflectors aid the balls return to the screw in the right area. They are crucial components in pc-managed movement management techniques and wire bonding. If you are fascinated in the newest improvements in linear screw engineering, make contact with us these days.
Ball screws are superior to guide screws in many methods. Ball screws are much more effective than lead screws, changing 90% of rotational movement into linear movement. As a end result, they are much more costly than lead screws and acme screws. They also offer a smoother movement more than the entire journey range. In addition, they need significantly less electrical power for the identical performance. It is no question that the ball screw is so popular in a lot of distinct purposes.

Area complete

The floor end of a ball screw is 1 of the key elements in determining the performance of the system. A ball screw with a excellent area complete has excellent overall performance in rolling resistance, backlash, and use traits. However, it is vital to enhance the surface area complete of a ball screw to obtain precision movement, lower wear, and low sound. To accomplish this, particular wire brushes will be utilised to polish precision-ground shafts.
For a ball screw to carry out effectively, it need to be difficult, have a smooth area, and retain lubricant. The surface finish of a ball screw must be smooth, free of cracks, and retain the lubricant nicely. Cracks and annealing are the two undesirable during the production approach, so a high quality device must be used for its surface area complete. For the duration of the creation approach, a CBN reducing insert with full round or gothic arch profile can be utilised to accomplish a large-high quality area end.
One more ending procedure used in the manufacture of ball screws is lapping. Lapping enhances floor quality and journey variation. It requires complicated relative movements of abrasive particulates with the workpiece. This gets rid of a skinny layer of materials from the workpiece, bettering its floor quality and dimensional accuracy. The lapping procedure can be carried out beneath reduced-force conditions. It also improves the friction torque and lubrication.
In lapping experiments, friction torque has the biggest influence on vacation variation and floor roughness. A friction torque of about one N x m is the best possible. In addition, rotational velocity has only a small impact. The greatest mixture of these parameters is 1-1.5 N x m and thirty rpm. The minimum floor complete of a ball screw is all around 800 mesh. The smallest variation in travel is observed at about half-way by way of the journey.


Correct lubrication of ball screw assemblies is vital to sustain ideal performance and existence. Ball screw assemblies must be lubricated with grease, which is launched immediately into the ball nut. The lubrication port can be positioned at different places on the merchandise, such as on the flange or in the external threads of the ball nut. Some ball nuts also characteristic a zerk fitting for easier lubrication.
The lubrication of ball screws is necessary in the case of working circumstances in excess of 100oC. The minimal load for a ball screw is generally understood with a preload pressure. The lubricant is conveyed by means of the slender lubrication gap due to the relative motion of the two surfaces. The enhanced viscosity of the lubricant allows separation of the get in touch with surfaces. To stay away from over-lubrication, it is important to check out the lubricant level routinely.
The oil utilized in lubrication of ball screw assemblies can be possibly mineral or synthetic. The oil is composed of mineral or artificial oil, additives, and a thickening agent, such as lithium or bentonite. Other thickening agents contain lithium, barium complexes, or aluminum. The lubricant quality NLGI is a widely utilised classification for lubricating greases. It is not adequate to select a certain variety of lubricant for a certain application, but it offers a qualitative evaluate.
In spite of getting vital to the functionality of a ball screw, lubrication is also essential to its lifespan. Diverse kinds of lubricant supply corrosion security. Just before utilizing a lubricant, make confident to thoroughly clean and dry the ball screw. If there is any buildup of dirt, it could harm the screw. To stop this from happening, you can use a solvent or lint-free of charge fabric. Lubrication of ball screw assemblies can drastically lengthen the daily life of the assembly.