Belt Driven Fans Vs Direct Drive

Belt drive turntables by contrast usually take several seconds to get up to speed.

Belt driven fans vs direct drive.

The direct drive turntable meanwhile features a platter which is directly attached to the player s. Either of these motor mount options can typically be found in wall mount exhaust and supply fans roof mount exhaust and supply fans inline duct fans and air circulation products our goal with this post is to cover some of the main differences advantages and dis. Note that for shaft driven direct drive fans arr. Belt driven fans offer greater flexibility in terms of rpm speed.

In a belt driven configuration the motor exists independently of the fan blades and at least one belt sometimes more connects the motor to the fan s moving parts. Over time a belt drive may need to be replaced. This is because of the fact that the amount of friction is greatly reduced in case of this fan when the fan is operating. Direct drive fans with relubricable motor bearings must be lubricated per the fan manufacturer s recommendation on terms of grease type and frequency.

There are some advantages and dis advantages direct drive and belt drive exhaust fans and supply fans have over each other. Direct drive fans are a set it and forget it piece of equipment for maintenance purposes. Since there is at least a 3 percent drive loss for a belt drive fan and no v belt drive loss for a direct drive fan the direct drive fan by default will be more efficient. When compared to belt drive fans which require belts sheaves and bushings direct drive is just plain simpler and maintenance folks tend to lean toward direct drive for daily maintenance.

7 8 etc the flexible drive coupling loss is immeasurable and ignored so its drive efficiency follows that of an. More often than not the maintenance cost of this kind of fan is also comparatively lower. Generally such fans are cheaper than direct drive fans of comparable size. Belt drive elastic can wear down and it can eventually break.

Direct drive tables also will give you a speed control so as a dj if you want to change the tempo to blend one song into another with two turntables it is pretty easy to do so with the range of speed adjustment available on a direct drive table. In contrast a belt drive fan will require its first maintenance visit within weeks of start up. Belt drive turntables also have a slightly less accurate playback speed than direct drive turntables. The direct drive turntable.

Unlike the belt driven fans in case of a direct drive fan there is lesser energy loss. You have a fan a motor and maybe a coupling. Belt drive fans have the motor bearings like direct drive fans plus they have two shaft bearings and the motor and shaft bearings need to be lubricated per the fan manufacturer s recommendations.