Product Description

Zoomlion Large 230HP Wheeled Tractor Germany ZF Drive Train Agricultural Machine

This 230 HP tractor comes from CZPT North American R&D Center and is deeply integrated with the world’s top technology, giving you a powerful, efficient and intelligent work experience. Better traction means increased productivity. The chassis design of the PL2304 achieves unprecedented power density, and the F40+R40 gear offers you speed and efficiency. The powerful chassis and long wheelbase provide extra traction and stability, and the PL2304 delivers unparalleled performance even under tough conditions. Various of PTO’s choices make the PL2304 even more versatile.

Power

Originally imported CZPT engine, six-cylinder high-pressure common rail, turbocharged, national emission standards, reserve horsepower up to 36%, more energy-saving and environmentally friendly. It provides the impetus for the combination of technological sense and modernity.

Drive system

Germany ZF drive train, rugged and reliable, easy to operate, high power transmission efficiency; a variety of PTO mode can be perfectly matched with agricultural implements. 40F+40R section power shifting, high gear density, adapt to various working conditions; crawling gear can cover special operations. Power shift response is fast, no impact, no noise, simple and comfortable operation, improve work quality and work efficiency. In the intelligent mode, the transmission TCU communicates with the engine ECU in real time, automatically matching the appropriate gear according to the current working conditions of the tractor, saving fuel.

Cabin

Intercontinental panoramic cab

The interior of the cab is full of technology and modernity, making you feel like a new beginning every day; The parameters are all digitally displayed, real-time tracking and detection of vehicle conditions, automatic fault diagnosis, and real-time updating of relevant data, so that your interaction with the machine is more timely and effectively; The reversing image allows you to know the condition of the car and the surrounding environment in real time, and the operation is safe and efficient; Entertainment equipment such as MP3 makes your driving more enjoyable; Equipped with air conditioning, the interior is designed with positive pressure to prevent external dust from entering, making your field work clean and refreshing, like spring breeze; Original imported air suspension seat, easy to adjust, comfortable driving; The multi-function handrail and console are highly integrated, the key operations are at your fingertips, and the operation is more convenient, time-saving and labor-saving.

 

Machine Technical Parameter

Model			PL2304
overall dimensionmm	Length (mm)		5715
	Width (mm)		2820(Single)	3930(Double)
	Height (mm)(To the cab top)		3465
	wheel tread	Rear wheel	2185(Single)	2800(Double)
		Front wheel	2190
	Tires sizes	Front/rear	18.4R30	20.8R38
	Wheelbase		3085
	Ground clearance	Under the gearbox	380
		Under the front axle	430
Maximum traction (kN)			74
Min using weight (kg)			8575
Weight distribution		Front axle (kg)	3625
		Rear axle (kg)	4950
Front ballast weight(kg)			1170
Rear ballast weight(kg)			None
Minimum turning circle radius (m)			6.8

Engine 

Engine	Deutz
Suction method	Turbocharged
Number of cylinders	6
Piston displacement (L)	7.145
12 hours power (kW)/ rated speed(r/min)	172/2200
Maximum torqueN·m/Maximum torque point speedr/min	1015/1450
Calibration condition fuel consumption rate(g/kW·h)	228
Lubrication / cooling method	Water cool

Walking syetem

Front drive axle	Front axle type	Planetary gear
	Brake	Hydrostatic boost multi-plate wet brake
	Differential assembly	4 planetary wheels, composite (100% lock + limited slip)
Tire	Tire specifications	18.4R30/20.8R38
	Tire air pressure (kpa)	160

Drive Train

Gear box	Interval power shift
Clutch	Multiple wet
Shift position (forward / reverse)	40/40
Shift mode	Interval power shift
Central drive	Spiral bevel gear
Differential	Planetary wheel
Differential lock	Multiple wet
Final drive	Planetary wheel
PTO speed grade	3
PTO shaft type	Independent
PTO speed(r/min)	540E/1000N/1000E
PTO shaft spline number	6/20
PTO shaft outer diameter (mm)	35/45
Rear axle brake	Hydrostatic boost multi-plate wet brake

Working device

Hydraulic lifter	Hydraulic system type	Split type
	Plowing depth adjustment	Force regulation, position adjustment,  force and position level synthesis,  electro-hydraulic control
	Maximum lifting force kN  (610mm after suspension)	≥42.3
	Hydraulic oil pump	Load sensitive variable pump
Hydraulic output	Output connector type and specifications	ISO7241-1 standard A series 12.5
	Quantity (group)	4
	Output flow (L/min)	110
	Hydraulic output devic	4-position electro-hydraulic proportional multi-way valve
Suspension mechanism	Types and categories	Rear three-point suspension 3
	Upper hanging pin hole diameter (mm)	32
	Lower suspension point pin hole diameter (mm)	28.4
Traction device	Traction pin diameter (mm)	32

Electronic system

System voltage(V)	12
Generator	12V-200amp
Battery	12V, 900CCA
Work light (unit)	16

Liquid capacity

Fuel tank L		400
Engine oil	Brand	SAE 15W-40/CH-4
	Amount(L)	32
Gearbox oil	Brand	Shell Spirax (SAE 10W-30APIGL-4)
	Amount(L)	130
Hydraulic oil	Brand	Mobil DTE 10 Excel 32
	Amount(L)	90
Coolant	Brand	Mobil-40°C Coolant
	Amount(L)	40
Front axle oil	Brand	Shell  Spirax (SAE 10W-30APIGL-4)
	Amount(L)	13.4

The Benefits of Spline Couplings for Disc Brake Mounting Interfaces

Spline couplings are commonly used for securing disc brake mounting interfaces. Spline couplings are often used in high-performance vehicles, aeronautics, and many other applications. However, the mechanical benefits of splines are not immediately obvious. Listed below are the benefits of spline couplings. We’ll discuss what these advantages mean for you. Read on to discover how these couplings work.

Disc brake mounting interfaces are splined

There are 2 common disc brake mounting interfaces – splined and six-bolt. Splined rotors fit on splined hubs; six-bolt rotors will need an adapter to fit on six-bolt hubs. The six-bolt method is easier to maintain and may be preferred by many cyclists. If you’re thinking of installing a disc brake system, it is important to know how to choose the right splined and center lock interfaces.

Aerospace applications

The splines used for spline coupling in aircraft are highly complex. While some previous researches have addressed the design of splines, few publications have tackled the problem of misaligned spline coupling. Nevertheless, the accurate results we obtained were obtained using dedicated simulation tools, which are not commercially available. Nevertheless, such tools can provide a useful reference for our approach. It would be beneficial if designers could use simple tools for evaluating contact pressure peaks. Our analytical approach makes it possible to find answers to such questions.
The design of a spline coupling for aerospace applications must be accurate to minimize weight and prevent failure mechanisms. In addition to weight reduction, it is necessary to minimize fretting fatigue. The pressure distribution on the spline coupling teeth is a significant factor in determining its fretting fatigue. Therefore, we use analytical and experimental methods to examine the contact pressure distribution in the axial direction of spline couplings.
The teeth of a spline coupling can be categorized by the type of engagement they provide. This study investigates the position of resultant contact forces in the teeth of a spline coupling when applied to pitch diameter. Using FEM models, numerical results are generated for nominal and parallel offset misalignments. The axial tooth profile determines the behavior of the coupling component and its ability to resist wear. Angular misalignment is also a concern, causing misalignment.
In order to assess wear damage of a spline coupling, we must take into consideration the impact of fretting on the components. This wear is caused by relative motion between the teeth that engage them. The misalignment may be caused by vibrations, cyclical tooth deflection, or angular misalignment. The result of this analysis may help designers improve their spline coupling designs and develop improved performance.
CZPT polyimide, an abrasion-resistant polymer, is a popular choice for high-temperature spline couplings. This material reduces friction and wear, provides a low friction surface, and has a low wear rate. Furthermore, it offers up to 50 times the life of metal on metal spline connections. For these reasons, it is important to choose the right material for your spline coupling.

High-performance vehicles

A spline coupler is a device used to connect splined shafts. A typical spline coupler resembles a short pipe with splines on either end. There are 2 basic types of spline coupling: single and dual spline. One type attaches to a drive shaft, while the other attaches to the gearbox. While spline couplings are typically used in racing, they’re also used for performance problems.
The key challenge in spline couplings is to determine the optimal dimension of spline joints. This is difficult because no commercial codes allow the simulation of misaligned joints, which can destroy components. This article presents analytical approaches to estimating contact pressures in spline connections. The results are comparable with numerical approaches but require special codes to accurately model the coupling operation. This research highlights several important issues and aims to make the application of spline couplings in high-performance vehicles easier.
The stiffness of spline assemblies can be calculated using tooth-like structures. Such splines can be incorporated into the spline joint to produce global stiffness for torsional vibration analysis. Bearing reactions are calculated for a certain level of misalignment. This information can be used to design bearing dimensions and correct misalignment. There are 3 types of spline couplings.
Major diameter fit splines are made with tightly controlled outside diameters. This close fit provides concentricity transfer from the male to the female spline. The teeth of the male spline usually have chamfered tips and clearance with fillet radii. These splines are often manufactured from billet steel or aluminum. These materials are renowned for their strength and uniform grain created by the forging process. ANSI and DIN design manuals define classes of fit.

Disc brake mounting interfaces

A spline coupling for disc brake mounting interfaces is a type of hub-to-brake-disc mount. It is a highly durable coupling mechanism that reduces heat transfer from the disc to the axle hub. The mounting arrangement also isolates the axle hub from direct contact with the disc. It is also designed to minimize the amount of vehicle downtime and maintenance required to maintain proper alignment.
Disc brakes typically have substantial metal-to-metal contact with axle hub splines. The discs are held in place on the hub by intermediate inserts. This metal-to-metal contact also aids in the transfer of brake heat from the brake disc to the axle hub. Spline coupling for disc brake mounting interfaces comprises a mounting ring that is either a threaded or non-threaded spline.
During drag brake experiments, perforated friction blocks filled with various additive materials are introduced. The materials included include Cu-based powder metallurgy material, a composite material, and a Mn-Cu damping alloy. The filling material affects the braking interface’s wear behavior and friction-induced vibration characteristics. Different filling materials produce different types of wear debris and have different wear evolutions. They also differ in their surface morphology.
Disc brake couplings are usually made of 2 different types. The plain and HD versions are interchangeable. The plain version is the simplest to install, while the HD version has multiple components. The two-piece couplings are often installed at the same time, but with different mounting interfaces. You should make sure to purchase the appropriate coupling for your vehicle. These interfaces are a vital component of your vehicle and must be installed correctly for proper operation.
Disc brakes use disc-to-hub elements that help locate the forces and displace them to the rim. These elements are typically made of stainless steel, which increases the cost of manufacturing the disc brake mounting interface. Despite their benefits, however, the high braking force loads they endure are hard on the materials. Moreover, excessive heat transferred to the intermediate elements can adversely affect the fatigue life and long-term strength of the brake system.