1.Galvanized steel thickness:0.25-3mm
Material:GI, PPGI and others. But if you want to cutting stainless steel, please tell us and then we will change the cutting blade material for
DECOILER—FEEDING—LEVELING—SHEARING— CONVEYOR BELT— AUTOMATIC STACKER TABLE
|1||5 tons hydraulic decoiler with loading car||set||1|
|2||Leveling and cutting machine||set||1|
|6||4m auto stacker||set||1|
1. 5 tons hydraulic decoiler with car and upender
Coil loading car: (Regarding the loading car, the min height that can be lowered is 540mm, and the max
height is 925mm. If you have special requirements, please let us know in advance.)
1) The car can move levelly and vertically, which is convenient for putting the steel coils into the de-coiler.
2) It is driven vertically by hydraulic cylinder with 4 CZPT pillars
3) The level movement is driven by motor
4) Driving motor power: 0.75 kw, max capacity is 5 Ton. Function: It is used to lift up and down, move forward and back to make it easy to
load the coils on decoiler. Hydraulic controls lifting, motor drives moving. The car
is controlled on the auxiliary control panel. Its moving speed is 6-7 m/min. When coils on decoiler, car will
return back to the start position. It can also carry back the unfinished coils from decoiler.
1) Supporting the coils and doing uncoiling. The capacity is 5 Tons(max). Equipped with the brake system
2) It adopts the hydraulic oil cylinder to make the decoiler expandable and fit to the inner diameter of coils. It is equipped with the cantilever.
3) Motor drive the coils running and can do forward and reverse running as well as do the decoiling with tension. Max coil width: 1250 mm
Feeding speed: 0-40 m/min (adjustable)
Driving motor power: 5.5 kw
Hydraulic motor power: 5.5 kw
4) Structure: welding by the steel plates and profiled bar. Inner diameter 550-650mm (Remarks: The adjustment range of the max inner diameter
and the min inner diameter is within 100mm, and the adjustable range can be increased through the gasket.)
|Part 2: Leveling and cutting|
|Feeding width||Adjustable,max 1250mm|
|Shaft material||45 # steel with tempered|
|Leveling roller||13 rollers,up 5 down 6 with 1 pair of feeding roller|
|Leveling type||4-HI level,the precision is higher than normal one|
|Speed||About 0-20m/min,speed is adjustable|
|Roller space adjustment||Automatically adjusted by motor|
|Cutting type||Hydraulic cutting|
|Cutting blade material||Cr 12 with quenched treatment|
|Cutting length||Adjustable,controlled by PLC|
|Part3: Control systerm|
|Screen||Siemens touch screen|
|Converter||Delta from ZheJiang|
|Function||Control the speed,cutting length and quantity|
|Remote control||With the remote control for easier operation.|
Part 4: Automatic Conveyor belt
Part 5, Automatic Stacker
Max Length of the sheet :4000mm
Max Width of the sheet : 1250mm
Table is moveable with the wheels and have lock
Table capacity: 1000 kgs
1.How to get a quotation of coil slitting line?
If you want to order this machine, kindly contact me by Email or Phone, please tell us your requiremnts,
1.material of the coil:
2.thickness of the coil:
3.width of the coil:
4.Maximum coil weight:
5.maxium slitting strips quantity:
6.the minimum width of the slitting strip:
7.the maxmum width of the slitting strip:
Then we can offer you the most proper solution for your machine and will send you quotations with specifications and price.
2. Terms of payment:
30% T/T, Balance to be paid before shipping after inspection. We also accept the payment L/C, O/A , D/P.
3. What is your after-sale service?
coil slitting line warranty period is 24 months,if the broken parts can’t be repaired,we can send new to replace for free,but you need to pay the express cost.we supply the technical support for the whole life of the equipment.
4. How to visit your company?
Kindly tell us your visting time, we can pick up you AT the stations. and help you check the airport ticket and train ticket.
Our city is near ZheJiang , it is about 54 minutes by high speed train, it is short time and convenient for you to by train to our city from ZheJiang , so we suggest you come by high speed train.
Worm Gear Motors
Worm gear motors are often preferred for quieter operation because of the smooth sliding motion of the worm shaft. Unlike gear motors with teeth, which may click as the worm turns, worm gear motors can be installed in a quiet area. In this article, we will talk about the CZPT whirling process and the various types of worms available. We’ll also discuss the benefits of worm gear motors and worm wheel.
In the case of a worm gear, the axial pitch of the ring pinion of the corresponding revolving worm is equal to the circular pitch of the mating revolving pinion of the worm gear. A worm with 1 start is known as a worm with a lead. This leads to a smaller worm wheel. Worms can work in tight spaces because of their small profile.
Generally, a worm gear has high efficiency, but there are a few disadvantages. Worm gears are not recommended for high-heat applications because of their high level of rubbing. A full-fluid lubricant film and the low wear level of the gear reduce friction and wear. Worm gears also have a lower wear rate than a standard gear. The worm shaft and worm gear is also more efficient than a standard gear.
The worm gear shaft is cradled within a self-aligning bearing block that is attached to the gearbox casing. The eccentric housing has radial bearings on both ends, enabling it to engage with the worm gear wheel. The drive is transferred to the worm gear shaft through bevel gears 13A, 1 fixed at the ends of the worm gear shaft and the other in the center of the cross-shaft.
In a worm gearbox, the pinion or worm gear is centered between a geared cylinder and a worm shaft. The worm gear shaft is supported at either end by a radial thrust bearing. A gearbox’s cross-shaft is fixed to a suitable drive means and pivotally attached to the worm wheel. The input drive is transferred to the worm gear shaft 10 through bevel gears 13A, 1 of which is fixed to the end of the worm gear shaft and the other at the centre of the cross-shaft.
Worms and worm wheels are available in several materials. The worm wheel is made of bronze alloy, aluminum, or steel. Aluminum bronze worm wheels are a good choice for high-speed applications. Cast iron worm wheels are cheap and suitable for light loads. MC nylon worm wheels are highly wear-resistant and machinable. Aluminum bronze worm wheels are available and are good for applications with severe wear conditions.
When designing a worm wheel, it is vital to determine the correct lubricant for the worm shaft and a corresponding worm wheel. A suitable lubricant should have a kinematic viscosity of 300 mm2/s and be used for worm wheel sleeve bearings. The worm wheel and worm shaft should be properly lubricated to ensure their longevity.
A multi-start worm gear screw jack combines the benefits of multiple starts with linear output speeds. The multi-start worm shaft reduces the effects of single start worms and large ratio gears. Both types of worm gears have a reversible worm that can be reversed or stopped by hand, depending on the application. The worm gear’s self-locking ability depends on the lead angle, pressure angle, and friction coefficient.
A single-start worm has a single thread running the length of its shaft. The worm advances 1 tooth per revolution. A multi-start worm has multiple threads in each of its threads. The gear reduction on a multi-start worm is equal to the number of teeth on the gear minus the number of starts on the worm shaft. In general, a multi-start worm has 2 or 3 threads.
Worm gears can be quieter than other types of gears because the worm shaft glides rather than clicking. This makes them an excellent choice for applications where noise is a concern. Worm gears can be made of softer material, making them more noise-tolerant. In addition, they can withstand shock loads. Compared to gears with toothed teeth, worm gears have a lower noise and vibration rate.
CZPT whirling process
The CZPT whirling process for worm shafts raises the bar for precision gear machining in small to medium production volumes. The CZPT whirling process reduces thread rolling, increases worm quality, and offers reduced cycle times. The CZPT LWN-90 whirling machine features a steel bed, programmable force tailstock, and five-axis interpolation for increased accuracy and quality.
Its 4,000-rpm, 5-kW whirling spindle produces worms and various types of screws. Its outer diameters are up to 2.5 inches, while its length is up to 20 inches. Its dry-cutting process uses a vortex tube to deliver chilled compressed air to the cutting point. Oil is also added to the mixture. The worm shafts produced are free of undercuts, reducing the amount of machining required.
Induction hardening is a process that takes advantage of the whirling process. The induction hardening process utilizes alternating current (AC) to cause eddy currents in metallic objects. The higher the frequency, the higher the surface temperature. The electrical frequency is monitored through sensors to prevent overheating. Induction heating is programmable so that only certain parts of the worm shaft will harden.
Common tangent at an arbitrary point on both surfaces of the worm wheel
A worm gear consists of 2 helical segments with a helix angle equal to 90 degrees. This shape allows the worm to rotate with more than 1 tooth per rotation. A worm’s helix angle is usually close to 90 degrees and the body length is fairly long in the axial direction. A worm gear with a lead angle g has similar properties as a screw gear with a helix angle of 90 degrees.
The axial cross section of a worm gear is not conventionally trapezoidal. Instead, the linear part of the oblique side is replaced by cycloid curves. These curves have a common tangent near the pitch line. The worm wheel is then formed by gear cutting, resulting in a gear with 2 meshing surfaces. This worm gear can rotate at high speeds and still operate quietly.
A worm wheel with a cycloid pitch is a more efficient worm gear. It reduces friction between the worm and the gear, resulting in greater durability, improved operating efficiency, and reduced noise. This pitch line also helps the worm wheel engage more evenly and smoothly. Moreover, it prevents interference with their appearance. It also makes worm wheel and gear engagement smoother.
Calculation of worm shaft deflection
There are several methods for calculating worm shaft deflection, and each method has its own set of disadvantages. These commonly used methods provide good approximations but are inadequate for determining the actual worm shaft deflection. For example, these methods do not account for the geometric modifications to the worm, such as its helical winding of teeth. Furthermore, they overestimate the stiffening effect of the gearing. Hence, efficient thin worm shaft designs require other approaches.
Fortunately, several methods exist to determine the maximum worm shaft deflection. These methods use the finite element method, and include boundary conditions and parameter calculations. Here, we look at a couple of methods. The first method, DIN 3996, calculates the maximum worm shaft deflection based on the test results, while the second one, AGMA 6022, uses the root diameter of the worm as the equivalent bending diameter.
The second method focuses on the basic parameters of worm gearing. We’ll take a closer look at each. We’ll examine worm gearing teeth and the geometric factors that influence them. Commonly, the range of worm gearing teeth is 1 to four, but it can be as large as twelve. Choosing the teeth should depend on optimization requirements, including efficiency and weight. For example, if a worm gearing needs to be smaller than the previous model, then a small number of teeth will suffice.