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Sunday, December 16, 2012
Stabilizer bar
Classified balance rod cars balancing rod in accordance with the purpose and function of the demands, the following points, namely:
1 under the front wheel swing arm the balanced lever (the original car essential accessories)
- Designed and installed separately connected to the front axle and front wheel, the main role is responsible for the control of the front wheel of the medial and lateral inclination;
2. Direction before the beam balance lever (the original car essential accessories)
- Design hem arm mounted on both sides of the front wheel, the overall symmetry control the direction of the front wheels. The main role is responsible for the front wheel of anteversion, to maintain the direction of tracking ability of the wheels;
3. The front suspension Tata top balance Trolley (Hong Kong and Macao commonly known: the top bar. Optional pieces)
- Designed and installed in the front shock absorber overhead position. The main role is enhanced cabin with front body rigidity to counteract centrifugal horizontal torque caused by the frame deformation (severe deformation can cause the top of the tower tear), improve vehicle cornering ability, improve cornering speed, reducing the body by the centrifugal force generated by the roll angle;
Before the end of beams balanced trolley (commonly known as: before the end of the optional pieces)
- Designed and installed in front of the front axle and the frame chassis joints. The main role is to enhance the strength of the connection of the front bottom beam (front axle) and the chassis, reducing the front axle displacement deformation distortion caused by the centrifugal force with the body, and its main role is also to improve the cornering performance;
5. Rear suspension overhead balance lever (commonly known: after the top bar. Optional pieces)
- Designed and installed on the rear shock tower top position. The main role is to enhance the strength of the boot of the car, reducing the rear compartment due to the centrifugal force caused by the lateral distortions, reduce car tail roll when cornering, to improve vehicle cornering performance;
Rear axle suspension to to enhance balance lever (commonly known: after the end of optional items)
- Designed and installed at the connection position behind the rear axle and frame chassis. The main role is to enhance the strength of the connection of the rear axle and the frame;
Frame (body) chassis enhancements balance lever (components)
- Designed and installed in the middle of the frame chassis, the main role is to strengthen the overall frame chassis rigidity.
Depending on the vehicle factory design, the frame structure is different, some have been omitted, and some other structure to replace.
Family vehicles usually do not pay attention to the equipment, sports vehicles, is rather more not less.
In addition, the body in order to enhance the rigidity of the body as a whole and professionally converted (cockpit) anti-roll support with side door strengthening steel beams, are highly specialized athletic essential modification project.
The balance rod drawn very particular about, not ordinary steel that can be easily replaced. Require both the quality be as light as possible, and with the body material hardness to achieve firmness and flexibility with the formation of a harmonious whole.
Different models of chassis design, usually not free to substitute other models of accessories.
After serious collisions, the balance rod deformed and its components, should all be replaced, rather than the heating correction can be fully restored, otherwise, even if the correction reset, but the material itself changes also affect the high speed security and stability.
Balance the role of the rod when the left and right two passing through the same road bump or hole in the balance rod does not have an effect. However, if the left and right wheels respectively, through different road bumps or holes, that is the height of the level of about two are not simultaneously will cause a torsion of the shaft, producing the anti-roll resistance (Roll Resistance) inhibition of body roll. That balance the rod when the synchronized movements of the left and right sides of the suspension up and down will not play a role, and only in the left and right suspension because the effect is not synchronized movements caused by pavement undulations or steering cornering balance rod.
Balance bar only make the role only way to harden and unlike hard spring comprehensive road sexual harden. If you want to completely rely on springs to reduce body roll that may need a very stiff spring, high shock absorbers use more damping coefficient to suppress the bounce of the spring, so we must go to the springs and shock absorbers to withstand hard caused by such way, passing through the uneven road tracking adverse sequelae. However, with the appropriate balance bar can not only reduce roll, but do not have to sacrifice should be comfortable and tracking. Therefore, the balance rod and spring mix is the most feasible way to reach a compromise road handling. Anti-roll resistance characteristics of the balance lever balance lever and spring provided complementary, and anti-roll resistance occur in pairs, which means that the front anti-roll resistance is accompanied and rear anti-roll resistance, but because The proportion of body counterweight and other external forces will make the front and rear anti-roll resistance and imbalance, this way it will directly affect the transfer of the body weight and handling balance. If the rear wheels of the anti-roll resistance is caused by too large the oversteer (Oversteer), on the contrary, if the front wheel of the anti-roll resistance too cause understeer (Understeer).
We not only can be used to improve handling balance bar to control the scrolling of the body can be used to control the body anti-dumping resistance before and after the pro rata. The balance rod the most important function is to reach a balance of manipulation and limit body roll when cornering to improve tire affixed. Bend wheel when cornering suspension elongation and bend the outer wheel suspension is compressed, then the balance of the rod will produce reverse the inhibition of this case. It would have to bend the outer ring suspension a downward pressure force on the bend wheel suspension applied a lift force and trained them for the forces of the left and right suspension is equal and opposite to each other to contain. Too soft balancing rod in the independent suspension of the car will cause too much camber when cornering and to reduce the tire contact area, too hard will cause the tires can not be close to the ground, affecting the handling. The curved inner wheel balance rod wheels applied force and the spring force facilities on the wheel the opposite direction, the spring force to the wheels pressure back on the ground, while the balance bar will make it off the ground.
The balance rod too hard will reduce the pressure to the wheel back to the ground force, if this happens in the wheel, may make the draw bend refueling smaller bend wheel grip, causing the tire idling. This ideal state with big horsepower, but the car without LSD is quite dangerous, anti-roll resistance provided by the balance bar control between 20% to 50% of the total anti-roll resistance. If the total anti-roll too if resistance may cause the inner wheel when cornering bend off the ground so will result in 100% of the weight transfer, this situation usually occurs in the bend within the non-driving wheels.
We can often see the forward bending wheel off the ground in the corner of the Porsche 911, the same situation may also occur the first drive after the bend wheel. Wheels off the ground is not a good sign, but sometimes to the needs of the overall suspension settings but can not avoid. The rolling of the vehicle body will reduce the sensitivity of the tracking or steering. A car is the best suspension geometry set to have a low rolling center, while the anti-roll resistance are provided by the spring of the rolling of the vehicle body can be limited to within a reasonable range. The spring will affect tire affixed to the same spring, anti-roll resistance also have a great impact on the tire affixed. There is one, the established suspension geometry, the height of the center of gravity and vehicle weight of the car, change the degree of anti-roll resistance will change the limit cornering body roll.
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