The circumstances for using spring start motor

1. Extreme temperature and damp

Spring starter motor needs only hand cranking and releasing spring energy without other power consumption .Its resistances to damp and extreme temperatures make them ideal for marine applications.

2. Non-electric

Spring starter only requires manpower, no hydraulic, pneumatic or electrical infrastructure required. Don’t need to worry the battery has no charge and can be applicable for the dangerous area with prohibition of electric start.

3. Emergency

Spring starter motor can be used as the most suitable backup starting device with the storage spring energy for the emergency like fire-fighting, rescue, marine emergency, military, etc.

How the spring starter motor works

When needs to start a diesel engine, Pull the winding handle of the starter to make the release mechanism store in the energy for ready use. Wind the handle to turn in the prescribed direction to achieve the required storage energy and push the lever to release potential spring energy. Then the diesel engine can be started.

Two types of spring used for spring starter motor

Disc Springs

The springs are compressed by means of a ball screw

Feature:

simple to use

small space required

long-span life

High output torque

Power Springs

The springs are coil springs which are wound up

Feature:

High number of output revolutions

Compact

About Dalin Spring Starter

Dalin spring starter is manufactured by Chongqing Starting Power Unit Co., Ltd which was established in 2008. The company is specialized in the solutions for emergency of engine start and developed a special mechanical starter-Dalin spring starter, applied to military, fire, marine emergency, telecommunications, etc. It has a professional R & D team leading by senior engineer for superior quality products with advanced technology and rigorous services.

Displacement ranges from 0.5L-38L, which is the world record starting power of spring starter motor.

Single spring starter can start 6 cylinders in-line engine with displacement up to 19L, 16 cylinders V-type engine with displacement up to 30L. 0 group system can start up to 50L.

Spring starter group system can start 6 cylinders with the displacement up to 26L, 12 cylinders start up to 38L

Reliability

All products are tested by the unique spring starting test bench with experiment of more than 3000 starting cycles, ensuring all products have

detailed test data. The spring starter has the long-life span of more than 10 years according to customer’s feedback.

Cost Performance

All parts are made from mature material, produced by qualified heat treatment and machining process. On same power level of the starters, Dalin spring starter costs less than similar competing starter.

Simple and Safety Operation

It’s simple to operate. There’s not any auxiliary equipment to be configured, only adopting mechanical structure. The crank will not fly off or kick back during operation, which guarantee the safety of operation.

Services

Dalin spring starter provides excellent after-sale service with a professional service team，which can solve the problems of customers at any time.

Contact information

Sales : Julie He(Ms.),

Tel/Whatsapp/Wechat: +86-13637706003

Email: sales1@cqstart.com

Marketing : Harland Wang(Mr.)

Email：sundayritian@cqstart.com

Dalin spring starter motor, as a mechanical engine start device, provides a powerful and economical starting option for customers who need a simple device for the backup of their electric engine starter.

Hot rolling and cold rolling are the two main process for the most steel or steel plate making, which have great influences on the structure and properties of the steel. A better rolling mill roll will bring more superior quality steel. Which one is better between the hot rolled steel and cold rolled steel?

Some information about the hot rolled steel and cold rolled steel is introduced.

Hot Rolled Steel

Definition

Hot rolled steel is the finished product through directly processed on the steel mold in the steel furnace with exceptionally high temperatures, rolling with the hot mill roller which can make sure the dimensions of the steel sheet according to the requirements., then coiled and cooling. The main steel rolling type is hot rolling.

Advantages

Compact the steel structure and improve the mechanical properties.

Disadvantages

1.After hot rolling, delamination occurs, when the non-metallic inclusions in the steel are pressed into thin sheet. Delamination greatly deteriorates the tensile properties of the steel.

2. Residual Stress caused by uneven cooling. Residual stress is an internal self-phase equilibrium stress without external force. Hot rolled steel may have negative effects on deformation, stability, fatigue resistance, etc.

Cold Rolled Steel

Definition

The cold rolled steel bar is obtained by cold working of the hot-rolled steel, such as cold drawing and stretching at a normal temperature. Cold rolling is often used for the production of small sections and steel sheets.

Advantages

Cold rolled steel bar has fast forming speed and high output. It can be made into a variety of cross-sectional forms to meet the requirements of the different use conditions. Cold rolling mill can make the steel have a large plastic deformation.

Disadvantages

Torsion is prone to occur under bending. Bending and torsional buckling is easy to occur under compression. So the torsional performance of cold rolled steel is poor, and the ability to withstand concentrated loads is weak.

The engine is the source of all the powers and brings energy to modern society. The engine needs to turn over by the outside power so that it can operate under its own power. Spring starter is a mechanical engine starter can effectively start a diesel engine without external power.

Firstly, we look into

What’s the engine starter

Engine starter is the device for internal combustion engines by offering initial rotation, widely used for diesel engines, aircraft, portable generators, etc.

The types of engine starter

The main Engine starter types include pneumatic starter, hydraulic starter, electric starter, spring starter.

Pneumatic

Pneumatic engine starters also known as air starters are used for diesel engines, gas turbines, and some reciprocating engines. The compressor compresses the air for storage and they rely on the compressed air as energy for starting. They have a high power-to-weight ratio and high speed acceleration.

Hydraulic

Hydraulic engine starters are suitable for marine propulsion engines, diesel engines, and hydraulic fracturing equipment for oil & gas exploration. It is a motor that uses hydraulic energy to drive a diesel flywheel ring gear to achieve the ignition of a diesel engine. It can be used extremely cold weather, offshore and explosion-proof occasions.

Electric

Electric engine starters are the traditional starter motor. They are powered by batteries and electric convert to mechanical energy for start the ring gear on the engine’s flywheel, usually used in cars, ships, construction equipment, etc.

Spring

spring start motors are the mechanical devices which can rotate hand crank energy to mechanical energy through the compressed disc springs for storage, the potential energy in the springs being released by tripping, the starter pinion rotating the engine flywheel ring gear for starting a diesel engine, mostly used in the emergency situations where the reliability is required.

Pipe and Round Bar Straightening Machine

The pipe straightening machine is possible to straighten pipes and rods of Φ6-Φ30mm and use different types of straighteners for different specifications.

Specification

Straightening pipe diameter circumference (mm): Φ5~Φ20

Straightening pipe wall thickness (mm):0.5~4

Straightening tube yield strength (N/mm2): ≤392

Straightening speed (m/min): 32.5

Straightening roller angle adjustment range: 30°~33°

Straightening roller throat diameter (mm):Φ75

Straightening roller body length (mm): 100

Straightening roller distance (mm): 190

Allowable bending before adjustment (mm/m):≤30

One-time bending (mm/m): ≤1

Motor power (kW):1.5×2

Machine Dimensions (mm):1275x890x1405

Machine weight (Kg):1050

Straightening roller configuration: 2-2-2-2-2

Scrap Rebar Straightening Machine

Specification

Straightening range:Φ5-12mm

Straightening speed:14m/min

Motor power: 5.5kw、4kw

Feature

Due to rail guides, the steel bar can be moved in and out more smoothly anti-smash hook design is adopted. The dead bend can also pass through the alloy steel cutting device. The work lifespan is long.

The TINVO scrap rebar straightening machine is to change the shape of the steel bar into a straight strip that can be reused, by means of passing the old rebar and the waste round steel through several straightening rolls.

R4-R5 Continuous Casting Machine

R4-R5 continuous casting machine is a single unit single strand small continuous casting machine. It has a production capacity of 5-12 tons per hour. It’s suitable for electric furnaces of more than 1 ton, multi-furnace continuous casting and intermittent small batch casting. The user who has a lower factory building and no crane can install the continuous casting machine underground, which is convenient for manual bag pouring and electric furnace pouring.

R6 Multi-Strand Continuous Casting Machine

Technical characteristics

1. Simplified slab guiding device, low cost and easy maintenance

2. Five-roll four-drive straightening machine with a large pulling force

3. The auxiliary straightening machine can perform secondary straightening of the slab in the accident state.

4. Special flying shears can be quickly and accurately cut to length

5. The surface grinding rate is less than 5%

Process parameters

Model: Full arc continuous square billet continuous casting machine

Number of strands: 1, 2, 3, 4, 5, 6

Casting machine radius: 6, 8, 10m

Billet specifications: 80*80, 90*90, 100*100, 120*120, 150*150, 180*180, 200*200, 240*240mm

Rectangular billet: (120 ~ 200) (240 ~ 600)mm

Working speed: 0.6~1.2 m/min

Annual output: 10 to 150,000 tons /strand

Spill rate: ≤0.1%

Continuous pouring time: ≥8h

Φ80-150 Round Billet Continuous Casting Machine

The Φ80-150 round billet continuous casting machine refers to a machine that mainly produces tube blanks for seamless steel pipes and it adopts continuous cast steel iron-making technology. The continuous casting round billet is mainly used to produce seamless steel tubes of different calibers. When the round billet is passed through, the billet is required to have no cracks of surface and internal, and it is necessary to prevent the inner surface defects of the steel pipe which caused by large particle inclusions.

R8-R12 Rectangular Billet Continuous Casting Machine

The R8-R12 rectangular billet continuous casting machine is also included in the billet continuous casting machine, which is divided according to the size and shape of the cast section cast by continuous casting machine.

For more detail professional knowledge about CCM, you can visit introduction page of the TINVO steel making machinery.

1.Water-cooled Furnace Cover

The water-cooled furnace cover is the upper part of the arc furnace body, which can be moved. It is equipped with a discharge entry and a flue exit. It can be manufactured separately.

2.Water-cooled Furnace Wall

The water-cooled furnace wall is located in the middle of the furnace body. It consists of a water-cooled frame and multiple water-cooled plates. Due to transportation reasons, it can be manufactured separately according to the specific size. It is welded and assembled in the installation site.

3.Bottom Ring of The Furnce Cover

The bottom ring of the furnace cover is located at the lower end of the furnace body and plays a role in protecting the furnace wall.

4.Flue Elbow of Water-Cooled Furnace Cover

The water-cooled furnace cover flue elbow is a transitional connection for exhausting dust from steelmaking.

5.Eccentric Zone Water Cooling Plate

The eccentric zone water cooling plate is used for water cooling in the eccentric zone of the furnace door frame.

6.Ladle

The ladle is a container used for the transfer or refining of molten steel.

All above spare parts for steel making plant are supplied by TINVO and you can inquire the details through page of Contact TINVO Rolling Mill or the Email : inquiry@hrbtinvo.com.

The mechanical spring starter is the device for starting the enigne by hand, Dalin spring starter can be applied to each band diesel for the engine displacement from 1L-50L.

What’s the spring starters

Spring Starters are mechanical starters that use energy stored in a high-tech spring pack which is manually wound up and charged for instant release when required to start an engine. A Spring Starter is equivalent to a 5 hp electric starter.

The need for batteries, alternators, regulators and wiring is eliminated as the Spring Starter does not require electricity, compressed air or hydraulic pressure to operate.

Two-dimensional drawing spring starters

1 & 5 series Dalin Spring Starter Motor Series

1 & 5 Series Dalin Spring Starter Motor Series Which also is Hand Crank Starter can be used for starting a diesel engine, most application on engine displacement about the 1L—7.5L. The type of diesel engine includes CAT C4.4 , Perkins 1104 , Cummins 4B/6B , Weichai WP4/6 , Deutz BF3L913, Yuchai YC4F/4D.

2 & 4 Series Dalin Mechanical Starter

2 & 4 Series Dalin Mechanical Starter is a kind of engine starters, applied on engine displacement about the 8L—13L. The diesel engines include Cummins 6C , Cummins QSB7 , John Deer 6068 , Weichai WP10/12 , Deutz BF6M1015 , MWM TBD234 V6/V8/12.

3 & 6 Series Dalin Inertia Starter

3 & 6 Series Dalin Inertia Starter which also is a mechanical starter by compressing the springs with a hand cranking system, can be applied on engine displacement about the 14L—20L.( V16 max can reach 30L) such as Cummins NT855 , Cummins K19 , Scania DI13 , Vman D30 , Deutz BF12M1015 , Yuchai YC6T , Wudong WD287.

TINVO provides the whole rebar hot rolling line to finish the hot rolling mill process including Reheating Furnace, High-Pressure Water Descaling, Mill Stands, Flying Shear, Cold Shear, Cooling Bed, Packing and Collection Machine, Electric, Air, Lubrication System, etc.The blank metal sheet will be rolled, rolled, and strongly extruded into various types of pipe fittings, flat iron, square steel, angle steel, and metal rolling mills such as steel. Among them, hot strip mills are the most common.

Hot Rolling Mill Procedure:

Scrap steel —-melting—- casting—-mold unloading—-sorting—–deliver to reheating furnace—-heating to 1150~1200°C—- come out furnace—- rolling—- finished product —-packing

Features:

1. We offer design, manufacture and onsite service of the whole bar or rebar hot rolling line.

2. The main equipment includes Reheating Furnace, High-Pressure Water Descaling, Mill Stands, Flying Shear, Cold Shear, Cooling Bed, Packing and Collection Machine, Electric, Air, Lubrication System, etc.

3. The whole line realizes computer control and reached advanced international standards.

Short-Stress Rolling Mill

The short-stress rolling mill is also called the non-stand houseless rolling mill, a section rolling mill with a short-stress line of the working machine.
The shorter the stress line in the mill stand, the smaller the amount of elastic deformation generated, the greater the rigidity of the rolling mill and the higher the precision of the rolled product. When used as a section rolling mill, it does not only have a high radial rigidity but also has high axial rigidity.

SY model high rigidity rolling mill is a new type of houseless short-stress rolling mill, suitable for small and medium-sized rolling mill renovation, and also for small continuous rolling and semi-continuous rolling plants. For example, in a small semi-continuous rolling mill with an annual output of 150,000 to 200,000 tons, 1202 and 1502 continuous casting billets are used, rough rolling mill is with the roll diameter is Ф500mm×2, and the rolled parts after cutting head by flying shear enters the diameter Ф350×4 and the diameter Ф300×4 continuous rolling mills.

Φ200-650 Hot Rolling Mill Machine

Φ250 rolling mill machine uses the roll of 235-275mm diameter, the roll neck has a diameter of 150mm and the working surface length of roll is 500-700mm. The larger feeding billet is 60*60mm. The rolling mill is mainly used for rolling small steel bars and adopts a three-roll working machine base. The rolling mill is consists of three basic parts: the motor, the transmission and the actuator.

The configuration of Φ200-650 Hot Rolling Mill Machine is electric motor – gear reducer – gear housing – rolling mill. The rolling mill reducer is with a center distance of 600-700mm. Since the steering and rotational speed of the rolls are irreversible, the prime driven power applies a high-speed AC main motor with a lower cost. Considering that the rolling load is very uneven, a flywheel is added between the gear reducer and the motor in order to balance the motor load. The purpose of the gear housing is to transmit torque to the work roll. Three cylindrical herringbone gears of equal diameter are arranged in a row on the vertical plane of a closed box. A reliable shaft coupling is installed between the gearbox and the gear housing. The plum shaft coupling is used in the main coupling.

Φ200-350 rolling mill is the equipment of metal hot rolling mill process, which mainly refers to 2 hi roll reversible rolling mill and 3 hi roll reversible rolling mill. The working structure is composed of mill rolls, roll bearings, rolling mill guides, rack, rail seat, roll adjusting device, upper roll balancing device, and roll changing device.

Φ650 rolling mill is generally used as a cogging machine in the rolling mill production line. It is used to roll the slab introduced from the furnace to obtain the desired shape, size, texture and properties, for the lower mill to bite-in. Because the rolled parts just coming out from the heating furnace has the characteristics of high temperature, good plasticity, low deformation resistance, large the pressing amount of the cogging machine (generally up to 50%), the roll of rolling mill is large, and finally the rolling mill roll has good performance and no residual stress, no bubble, small crystal grain, dense inside texture.

Dalin Spring Starter is a hand crank starter for starting a diesel engine without any other power source. The mechanical starting device is reliable, more powerful and no other energy, which can starter max 50L Engine

0 Group System Inertia Stater

The world record of spring starter, breakthrough and innovative.

With super starting capability, Dalin spring starter 0 group stystem is the best starting solution for engines with displacement over 20L.

Multi-starters combination extends the range of starting capability.

For large engine units, the cost of spring starter is much lower than that of hydraulic starter and air starter.

Diesel Engine Displacement:Up to 50L

Max pinpion torque:240-360NM

Max winding torque:100-110NM

Weight:46-54KG

Turns to fully wind:30-34

1 Series Dalin Mechanical Starter

Diesel Engine Displacement :4-7.5L

Max pinpion torque:126NM

Max winding torque:100NM

Weight:18KG

Turns to fully wind:2+8

2 Series Dalin Spring Starter

Diesel Engine Displacement :7.5-11L

Max pinpion torque:126NM

Max winding torque:100NM

Weight:21KG

Turns to fully wind:2+11

3 Series Dalin Engine Starters

Diesel Engine Displacement :13-16L

Max pinpion torque:167NM

Max winding torque:100NM

Weight:26KG

Turns to fully wind:2+15

4 Series Dalin Mechanical Starter

Diesel Engine Displacement :10-13L

Max pinpion torque:126NM

Max winding torque:100NM

Weight:23KG

Turns to fully wind:2+13

5 Series Dalin Inertia Starter

Diesel Engine Displacement :1-7.5L

Max pinpion torque:126NM

Max winding torque:100NM

Weight:16KG

Turns to fully wind:2+6

6 Series Dalin Engine Starter

Diesel Engine Displacement :16-30L

Max pinpion torque:184NM

Max winding torque:100NM

Weight:27KG

Turns to fully wind:2+15

7 Series Dalin Hand Crank Starter

Diesel Engine Displacement :16-30L

Max pinpion torque:184NM

Max winding torque:100NM

Weight:27KG

Turns to fully wind:2+15

Flat Steel Cold Rolling Mill

Flat bar cold rolling machine is a new kind of rebar and cold rolling processing equipment. The machine can process the hot-rolled coil rod and hot rolling disk with a diameter of 6.5 mm and 12 mm into a cold-rolled ribbed bar with a diameter of 5 mm to 12 mm.

Cold rolled ribbed steel bar has been used in buildings, bridges, storage racks, grain bins, car bodies, railway coaches, highway products, transmission towers, transmission poles, drainage facilities, various types of equipment and others.

The flat steel cold rolling mill is a cold rolling mill machine that winds the hot rolling coil to flat steel of a certain specification. The equipment adopts a combination of flat rolling and vertical rolling. The production line is equipped with analog signal equipment to make the equipment run smoothly. Keep the straightness of the product; The mill is equipped with a cold rolling water cooling system to extend the service life of the roller. The flat steel cold rolling mill can produce flat steel products of different sizes and is used in different fields.

Spiral Blade Cold Rolling Machine

Spiral blade rolling machine belongs to cold rolling mill equipment and It is mainly used to produce spiral blades of various specifications.

The Spiral Blade Cold Rolling Machine can squeeze the strips of different materials to a variety of sizes of continuous spiral blades through the relative movement of two conic rollers. The spiral blade cold rolling mill is equipped with a hydraulic cutting device for cutting arbitrary lengths as needed.

Spiral vane cold rolling mill is an automation equipment that integrates electrical, hydraulic and mechanical devices. It has high precision and stability. A set of rollers can produce spiral vanes of different sizes, and the spiral vanes are uniform in thickness.

Helical vane cold rolling mill has the characteristics of variable frequency operation, compact structure and simple operation. The working speed of the cold rolling machine can be changed according to the actual situation. The helical vane cold mill eliminates the cumbersome and complicated processes. A worker can complete the entire process independently.

Two-ribbed Cold Rolling Mill

The two-rib cold rolling mill adopts positive two-rib forming high-frequency quenching and tempering technology. The final product can be comparable to Grade III steel.

The appearance of Two-ribbed Cold Rolling Mill is black and blue, the thread is clear and plump, and the yield strength and tension are better than ordinary cold-rolled ribs steel and Grade III steel, 500MPa high strength steel fully meet the requirements of the building requirements. The two-rib cold rolling mill produced by our company can be divided into small two-rib cold rolling mill, medium-sized two-rib cold rolling mill and large two-rib cold rolling mill, which can meet the different needs of customers.

2 Hi cold rolling mill

2 Hi cold rolling mill is used for cold rolling of low-carbon steel, non-ferrous metal sheet (copper silver lead aluminum), and alloy powder cold-rolled strip.

Structural characteristics of two-roller mill: The machine consists of main motor, gear reducer, herringbone gear seat, universal joint shaft, working machine base, electric control cabinet, etc. The mill roller system adopts special rolling mill bearing, and the roller material is 9Cr2Mo.

4hi Cold Rolling Mill

4hi cold rolling mill is suitable for cold rolling of carbon steel, alloy steel, copper, aluminum and stainless steel strips below 3 mm. This kind of rolling mill can be divided into rough rolling and finish rolling.

The 4hi Cold Rolling Mill has the characteristics of large rolling force, high precision and strong stability.

Structural characteristics of two-roller mill: The machine consists of main motor, gear reducer, herringbone gear seat, universal joint shaft, working machine base, electric control cabinet, etc. The mill roller system adopts special rolling mill bearing, and the roller material is 9Cr2Mo.