Can anyone point me in the right direction regarding calculating worm wheel inertia of a worm wheel gearbox.
I assume the motor will have the worm attached so i will inore this.
Rgs,
Highest Regards,
Roozle
Can anyone advise me what problems I may encounter if I change from a zinc die-casting to an aluminium one. This is based on the existing casting tool being worn and I can introduce a big cost saving using aluminium.
I understand I may need to increase rib thickness in certain areas.
Any help...
Does anyone know a simple calculation to calulate maximum raidal load on an over-hung shaft (i.e - dc motor) supported by 2 ball bearings spaced?
Cheers,
Highest Regards,
Roozle
I am looking to buy some special form ractchet type wheel/cam (and eventually pawls) from our customers drawings. They are profiled across the teeth also.
These are NOT standard off-the-shelf parts.
I am having problems sourcing a supplier to manufcture them. Please advise if you know of any...
I am looking to buy some special form ractchet type wheel/cam (and eventually pawls) from our customers drawings. They are profiled across the teeth also.
These are NOT standard off-the-shelf parts.
I am having problems sourcing a supplier to manufcture them. Please advise if you know of any...
Boronizing,
I understand this is an old fashion word.
Is this similar to case hardening? or is it a differnt process.
If somebody could shed a little light on this process.
Thanks,
roozle
Highest Regards,
Roozle
Can anybody help me I am looking for Stainless Steel with a spec A127 or A078. Maybe there is an equivelent grade.
I think It maybe a french specification.
Thanks,
roozle
Highest Regards,
Roozle
I have a geared speed reducer with a toothed belt drive at the output.
<Problem> - I am experiencing problems with the life of the belt. It is breaking after half the life of the reducer and I cannot increase the size width of belt due to size constraints. I have tried different materials of...
I have an application where I am employing a worm-wheel gearbox in which I am using a grease of '01' or '00' consistancy and i am getting a pressure build-up after a few minutes of running and the grease is migrating through the ballrace and potentially into the motor... I have introduced a...
I am re-designing a housing for a gear-head and at the moment the housing is aluminium and the gear stages have aluminium Bronze (HT20) bush bearings. My question is I would like to remove the operation of assembling the bearings and the cost of them.
I propose to make the housing out of a...
I am looking at an application where I need to feed a spearical object or round shaft using contoured feed wheels.
I would like the two feed (pinch) wheels to have a rubber or urthlene edge to allow a positive feed of material.
I do not know the process involved for attaching the rubber to the...
I need to determine the protective coating that is required by FAA or CAA, for aluminium parts located in aircraft interiors. Maybe Ali-Chrome coating or special yellow anodise??? Thanks for your answers.
Highest Regards,
Roozle
Can somebody please explain to me, what the reason for installing a capacitor to the terminals of a DC motor.??
Is it somthing to do with suppression or modification of terminal resistance.??
Thanks and best regards,
Russell......
I am looking at an application where, I am employing a belt drive system into a speed reducer.
Specification:
** Output speed = 500rpm
** Output Torque = 1.5 lb-ft (2Nm)
** Ratio = ~9:1
Also noise is an big issue. Having never specified a bel-drive system before, please can anyone advise me...
I am trying to find out the efficiency of a leadscrew assembly.
I am using a acme thread with an outside diameter of 0.67" and a pitch of 0.1575". The leadscrew material is AISI 416se and the nut is Phosphur bronze PB2. I have load of 1200N.
Can anybody shed any light on this...
I am employing a worm & worm-wheel on application. It lifts and lowers a load, using an beam/arm.
The problem I am experiencing is a large amount of wear on the worm wheel and sometimes there is a vibrating whine when the load is beimng lowered. Could the load be overspeeding the motor?
One...