Starter Bendix Aandrijving Fabrikant

MZW is al tientallen jaren een belangrijke fabrikant van startaandrijvingen. Onze bendix-aandrijvingen voldoen aan de ISO-kwaliteitsnorm.

Er worden strenge kwaliteitscontroletests uitgevoerd op alle soorten bendix-startaandrijvingen van MZW om aan de OE-norm te voldoen.

MZW is al tientallen jaren een belangrijke fabrikant van startaandrijvingen.

Het is fijn ontworpen voor het leveren van het juiste koppel aan de motor, wat energiezuinig is.

Het smeer- en olieproces bij hoge temperaturen zorgt voor een aanzienlijke verbetering van de MZW-startaandrijvingen, die storingen bij hoge koppels elimineren. Toepassingen met hoge belasting zorgen ervoor dat bendix-aandrijvingen consistent kunnen werken bij -40 tot 130ºC.

Ons brede aanbod omvat alle maten en soorten voertuigstarters.

Waarom MZW Starter Bendix Aandrijving?

  • VOLDOET AAN OF OVERTREFT DE OE-NORM
  • ENERGIEZUINIG
  • WERKEN CONSISTENT BIJ -40 TOT 130ºC
  • SMERING OP HOGE TEMPERATUUR
Wij garanderen u dat elke MZW Starter Bendix Drive een reeks strenge tests heeft doorstaan:
TEMPERATUUR
ENDURANCE
IMPACT
WATERDICHT
STOFDICHT

MZW Starter Bendix Aandrijving

Als professionele fabrikant van de bendixaandrijving van de automobiele starter verbindt MZW zich ertoe om kwaliteitsproducten te maken.

Starter Bendix Aandrijving Referenties

Vind de juiste Bendix-starteraandrijving door het OEM-nummer of kruisreferentienummer in te voeren.

We werken momenteel onze database met startaandrijvingen/OEM-nummers bij en zullen de zoekfunctie voor startaandrijvingen binnenkort verbeteren.

Stuur ons je lijst en wij zoeken handmatig voor je.

Starter Bendix Aandrijving Galerij

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MZW Starter Bendix Aandrijfhandleiding

De Bendix-startmotor is een van de populairste aandrijvingen voor auto's. startmechanismen. Gedurende de hele geschiedenis van motorvoertuigen heeft het apparaat geholpen om motoren aan te zwengelen en te starten. Ga met ons mee als we de Bendix starter verkennen in deze gids. Je leert over hoe de aandrijving werkt, de onderdelen en nog veel meer. We hebben ook veel Bendix starter afbeeldingen toegevoegd om de gids begrijpelijker te maken.

Wat is Bendix aandrijving in een auto?

De Bendix-startmotoraandrijving is een type aandrijving dat wordt gebruikt om de rotatie van de startmotor over te brengen op het vliegwiel. Je kunt het apparaat gemakkelijk in je auto vinden door te kijken. Het is meestal een assemblage van een rondselaandrijving op een splines-as en gemonteerd op de as van de startmotor.

De Bendix starter ontleent zijn naam aan Vincent Bendixde persoon achter de uitvinding. Lange tijd was de aandrijving het standaardmechanisme voor het starten van IC-motoren. Er zijn twee grote ontwerpen: de binnenboordmotor en de buitenboordmotor.

  • Binnenboord- Bij het binnenboordontwerp beweegt het rondsel naar binnen in de richting van de startmotor. De constructie biedt een kortere as voor het rondsel dan het buitenboordtype, waardoor het efficiënter en robuuster is. Hierdoor zijn binnenboordaandrijvingen de meest voorkomende.
  • Buitenboord- De buitenboordaandrijving heeft een rondsel dat naar buiten schuift, weg van de startmotor. De as is meestal langer dan die van het binnenboordtype. De lengte maakt hem minder stijf door de hogere buigspanning het ervaart. Deze schijftypes worden minder gebruikt.

Startmotor Bendix Aandrijving Functie

Een startmotor genereert de kracht om een IC-motor te starten. Maar de motor kan dat niet zonder een hulpsysteem. Dit is waar de Bendix startaandrijving om de hoek komt kijken. Het apparaat helpt om de rotaties van de startmotor over te brengen op het vliegwiel en zo de motor aan te zwengelen.

Nadat de motor is gestart, ontkoppelt de Bendix-aandrijving het rondsel van zijn maas met het vliegwiel. Hierdoor wordt voorkomen dat de rotatie van de motor uiteindelijk de startmotor aandrijft en schade veroorzaakt. Samengevat vervult de Bendix-startmotoraandrijving voor elektrische startsystemen deze functies.

1. Brengt de draaikracht van de startmotor over op de motor om de eerste compressiecycli te helpen produceren.

2. Ontkoppelt de aandrijving van de starter van het vliegwiel zodra de motor start en beschermt de motor tegen beschadiging.

 

Versies van de starter Bendix aandrijving

De starteraandrijving van Bendix bestaat in twee verschillende versies: het gedateerde traagheidsrondsel en de moderne magneetgestuurde aandrijving. De twee mechanismen verschillen vooral in hun methode om het rondsel naar het vliegwiel te duwen, zoals hieronder uitgelegd:

Traagheidsrondsel Bendix-aandrijving

Dit type aandrijving gebruikt de traagheidsprincipe om de motor te starten. Het mechanisme wordt meestal aangetroffen in oudere modellen startmotoren en zorgt voor een automatische in- en uitschakeling van het rondsel.

Veel auto's gebruiken nog steeds de Bendix startmotoraandrijving, ondanks dat het een traditionele technologie is. In de loop der jaren zijn er echter veel verbeteringen aangebracht, waardoor de aandrijving effectiever is geworden. Vooruitgang heeft geleid tot inertiële rondselaandrijvingen die het volgende bevatten reductietandwielen en frictiekoppelingen.

The standard inertial Bendix drive consists of weighted pinion gear, a threaded sleeve, and springs. The pinion gear slides freely along the sleeve, with its forward movement helping it to reach and engage the flywheel. The springs help to control the pinion’s movements as well as absorb their shock.

Pre-engaged Starter Bendix Drive

The pre-engaged Bendix drive uses a solenoïde to push and retract the pinion drive gear. The solenoid is usually fixed on the top of the starter motor, moving the pinion via a fork-shaped lever. The drive’s operation is thus electrically operated, compared to the automatic action of the inertial pinion type of drive.

The pre-engaged drive gets its name from the way it operates. Unlike the inertial type, its pinion engages the flywheel before the motor begins to rotate in full force. As a result, its operation produces far less wear of the pinion and flywheel gears. There is also less likelihood of severe damage such as the teeth of the gears breaking.

Pre-engaged Vs. Inertial Pinion Starter Bendix Drive

The inertial pinion Bendix drive has both good and bad sides. The solenoid type too. Here is a comparison of the two versions of the device.

The pre-engaged drive uses an electric actuator to move the pinion. That requires extra power (and drains the battery). Despite that, the mechanism offers a safer way to mesh the pinion and flywheel gears. The two components engage before the motor begins to rotate, making the operation less violent.

The pre-engaged Bendix starter drive is more reliable than the inertial pinion type. Every movement can be controlled, which offers a higher probability that it will work. These drives are more difficult to diagnose, though, since they contain electrical components.

Inertial pinion type of Bendix drives offer several benefits. Their operation is entirely mechanical, which makes them easy to maintain or troubleshoot. They are also less of a challenge to troubleshoot when faulty. When used with gear reduction mechanisms, these drive types use little power to start an engine.

The main disadvantage of the inertial pinion starter Bendix drive is the violent engagement that characterizes its operation. The pinion gear has to mesh with the flywheel long after the motor has powered. That subjects the teeth of both flywheel and pinion gears to excessive wear and damage.

The Bendix Drive Working Principle

As we have seen, the Bendix starter drive comes in two types. These also work differently and use different components to cause engagement and disengagement. Because both starter drives are used in today’s cars, we will explain their operation separately.

Inertial Pinion Drive

This drive type uses a special type of mechanism to start an engine, offering the advantage of automatic engagement and disengagement. Generally, the device utilizes inertial force to thrust the pinion to the flywheel, and the flywheel’s back drive to unmesh it. The process can be divided into two phases; engagement and disengagement

Engagement

  • Turning the ignition key powers up the starter motor. The armature rotates, causing the Bendix driveshaft to also spin. The weighted pinion gear does not rotate with the shaft immediately. Due to inertia and the fact that it’s loosely attached to the shaft, it lags behind. Instead, the gear slides forward along the threaded shaft
  • As the pinion moves on the threaded shaft, a heavy duty spring connected to the starter motor shaft also winds up. When the pinion reaches the end of its travel, it encounters a restraining collar. The collar prevents the gear from moving further and locks it with the shaft. That results in the starter motor rotating the pinion gear.
  • By now, the pinion is also in mesh with the flywheel’s ring gear. This causes it to rotate the flywheel and start the engine. The heavy spring on the drive’s head helps to absorb the shock of engagement. There is also usually a smaller spring at the end of the pinion’s travel that provides the same effect.

Disengagement

  • As soon as the engine starts, the flywheel and the pinion gear cannot stay in mesh anymore. That’s because the engine causes the flywheel to rotate the pinion at high speed, higher than that of the starter motor. When that happens, the pinion gear is immediately thrown out of engagement.
  • The unmeshed pinion gear quickly slides back on the threaded shaft to its former position. The retracting action of the pinion gear happens automatically, facilitated by the flywheel’s back drive. In most drives, the pinion winds up a light spring during its forward movement. The spring helps to slide the pinion back after the engine starts.
  • The large and main Bendix starter drive spring helps to cushion the pinion from violently returning to its original position. It also aids to retract it from the flywheel. It’s important for the pinion gear to disengage from the flywheel when the engine starts. Doing so prevents the higher speed of the engine rotating the starter motor and causing damage.

Pre-engaged Drive

The pre-engaged Bendix drive relies on a solenoid to work, as earlier indicated. The solenoid moves the pinion to the flywheel’s gear and back again when the engine starts (or when you release the ignition key). The following is what happens.

Engagement

  • When you press the button to start the engine or turn the ignition key, current first flows to the starter solenoid. A little current also flows to the motor to turn it slowly and allow the forward movement of the pinion.
  • The starter solenoid coils energize, pulling a plunger and holding it for as long as current flows. The moving plunger pulls at a fork that acts as the lever to push the pinion gear towards the flywheel. The plunger also closes a circuit to provide full current to the starter motor.
  • The motor rotates the starter Bendix drive shaft. By now, the pinion gear is already in mesh with the flywheels ring gear. This causes the motor to rotate the flywheel, starting the engine.

Disengagement

  • Releasing the ignition key or button results in the current of the starting circuit cutting off. This de-energizes the starter solenoid coils, releasing the plunger. A heavy spring retracts the plunger, moving the fork and causing the pinion to unmesh with the flywheels gear. The retracting plunger also cuts the starter motor current, making it to stop spinning.

Starter Bendix diagram showing the different parts

Main Starter Bendix drive Parts and their Functions

The proper working of a starter Bendix drive assembly relies on its individual parts. The main components include:

Drive Pinion Gear

It’s the small gear on the drive’s sleeve or shaft. Its function is to transmit the motor rotation to the flywheel and start the engine. It does so by engaging the flywheel’s ring gear whenever a driver turns the ignition key. The gear only has a few teeth. This is to enable it to provide the large turning force required to rotate the flywheel.

Drive Shaft

The shaft is the part that holds the pinion gear. In a pre-engaged drive, the it contains straight grooves to lock it with the pinion gear. In the inertial type of Bendix starter drive, the shaft has helical grooves. These serve to guide the pinion as it slides toward the flywheel and back again when the engine starts..

Main Spring

This is the helical spring on the drive’s shaft. It winds when the starter motor powers and the pinion gear moves to engage the flywheel. The Bendix starter drive spring serves several functions. It allows the pinion gear to reach the ring gear of the flywheel. It also cushions the gear from the mechanical impact of the engagement.

Andere onderdelen

Other essential parts that help the starter Bendix drive to function include:

  • Shift Fork

The shift fork pushes and retracts the pinion gear in solenoid-operated Bendix drives. The fork attaches to the solenoid plunger on one side and the pinion gear on the other. It’s usually pivoted to allow free movement.

  • Friction Clutch

Positioned between the drive’s shaft and the motor, the Bendix starter clutch helps to cushion against the shock of engagement and disengagement. It connects with the Bendix assembly when it moves to rotate the flywheel and disengages when the engine starts.

  • Reduction Gears

When a Bendix drive comes with reduction gears, it means increased torque to crank the engine. A set of gears are arranged to decrease the output speed while increasing the rotational force. As a result, the drive can overcome larger loads to start a heavy duty engine.

Starter Bendix Drive Problems

The components of a starter Bendix drive assembly experience violent movements. That often causes rapid wear of the drive, sometimes even damage by breaking off parts. Some of the problems that you might encounter with the Bendix starter device in your car include.

  • Worn pinion gear teeth- the teeth on the pinion gear wear off with time. Eventually, the wear reaches a point where it affects the drive’s performance. Results include the gear not engaging the flywheel and the engine not starting.
  • Broken pinion gear teeth- this problem is usually caused by the rough engagement of the pinion and flywheel gears. It causes starting problems and requires immediate action.
  • Damaged small components- the Bendix drive on a starter system contains components to ensure proper operation. If any of these breaks or becomes damaged in any way, the drive’s operation becomes impaired.
  • Dirt in the threads- the pinion gear on the inertial Bendix drive moves along splines or grooves on the shaft. When these grooves accumulate dirt and debris, the movement is restricted. The result is the Bendix starter sticking in its path. With the starter Bendix stuck, the engine cannot start.
  • Broken spring– the helical spring on the Bendix drive assembly helps to thrust back the pinion gear. If it breaks, problems such as the pinion gear not retracting start to show.

Starter Bendix drive problems can mean a car that cannot start. Some can be fixed while others call for replacing the entire assembly. Inertial pinion Bendix drives often fail due to dirt on their grooved shafts. Cleaning the shaft often restores their working. In the solenoid operated Bendix drives, failure often results from bad electrical connections in the solenoid.

Starter Bendix drive FAQs

So far, we have seen how the Bendix on a starter works, the parts involved, and problems that can occur over time. For more information about the device, here are common questions and their answers.

Q1. Where is the Bendix starter drive located?

A. The Bendix drive helps transmit the energy of a spinning starter motor to the flywheel. As such, you can expect its location to be near both the motor and vehicle’s transmission. The device is usually found in the front part of the motor, keyed or attached to the motor’s shaft on one end.

The starter Bendix drive location allows for efficient engagement and disengagement of the pinion drive gear. It also makes it possible to use a small sized device, helping to increase performance and lowering costs. Here is a starter Bendix drive diagram showing the device’s location in relation to the starter motor and flywheel.

Q2. How do you tell if the Bendix drive is bad?

A. The Bendix drive helps to start the engine by turning the crankshaft. Therefore, its failure will show up as engine starting problems. Signs include the engine failing to crank, not starting, or grinding noise.

Some problems are not caused by the device itself. They may be external, such as a damaged solenoid that cannot operate the shift lever, a faulty starter motor, or a weak battery. It’s recommended to troubleshoot the battery first when you have starting problems.

Q3. What are the Reasons for the Bendix starter not engaging flywheel ring gear?

A. There are several causes. They include broken or worn teeth on the pinion and flywheel’s gear, teeth alignment issues, and a weak or damaged solenoid. It could also be a damaged motor. Because many problems could cause the issue, it’s advisable to troubleshoot the entire starting system.

Q4. What is the reason for starter Bendix not retracting?

A. The inertial pinion Bendix features a helical spring. The spring winds up before the pinion gear reaches the flywheel, building up enough energy to move the gear back. It can only do so if intact. A weak or broken spring causes the pinion to remain engaged. Other causes include teeth misalignments, bad spacing between the teeth of the gears, dirt, and other imperfections on the flywheel or the pinion.

Q5. Can you lubricate a Bendix drive shaft with engine oil?

A. It’s not advisable if you have an inertial pinion type of drive. Lubricating the shaft cause engagement problems. The resulting low friction prevents the weighted pinion from moving forward to mesh with the flywheel.

Q6. Can Bendix starter pinion damage the flywheel?

A. It rarely happens. Flywheel ring gears are made from a very hard material, harder than that of the pinion gear. In the event forceful engagement between the two components, it’s often the teeth of the pinion gear that get stripped. Most of the time, the pinion wears off, leaving those of the flywheel intact.

Q7. How do you fix starter Bendix drive problems?

A. There are two options. Changing the damaged components or replacing the drive. It depends on the type of damage or the part that has broken down. Replacement is usually the most recommended option. That is because most problems occur when the device has lasted its lifespan.

Q8. What is the Bendix drive price?

A. It depends on the type of Bendix starter drive, its design, quality, and brand. The application too, since different drives fit different motor vehicles. However, the Bendix drive is a fairly low-cost component. Prices range between $20 to $100.

Q9. What is the Starter Bendix replacement cost?

A. Bendix drive services do not cost much, especially if the drive in your vehicle is easy to access. The amount to pay ranges around $100. That’s with the exclusion of the cost to buy the drive. DIY projects are possible if replacing Bendix in starter systems of older vehicles. In news ones, it’s more recommended to look for a professional to do the job.

Conclusie

The Bendix on a starter system is a small device that performs useful functions. It’s also one of the most common, both in older model and newer cars. The drive offers little challenge to maintain, repair, or even change, with many car owners finding the tasks doable. When buying one, it’s advisable that you know what to expect from the drive type in terms of performance.

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