Lakehurstpt
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Aluminium Die Cast Worm Gear units CHM025 - 90 Dimensional the same as Motovario NRV/NMRV 025 - 90 series
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Information Bar :-
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CHM
CHME
CHMR
CHMRE
This Range of Aluminium Diecast Worm Gear Units have the same dimensions of the Motovario NRV/NMRV 025-30-40-50-63-75-90 sizes and can be supplied with a Motor or as a Pam type with Hollow Input shaft and Motor Flange, hence dimensional replaceable and therefore no need for redesign or drawing changes, but offering the following improved design features:
1- Gear castings are in Aluminium and painted with RAL 9022 Aluminium colour epoxy power to protect against oxidation and any miro blowholes that may have been present during the pressure die-casting process!
2- As the Input Shaft seal is mounted within the casing then it is possible to fit a none IEC Motor Flange, therefore adaptable for none IEC DC & Brushless Motors!
3- Unit sizes 025 - 63 are supplied for universal mounting and therefore can be mounted in any position, and the sizes 75 & 90 being supplied for B3 Mounting, with V5 & V6 mounting positions being available upon request!
CHMR type - Foot Mounting with Solid Single Input Shaft!
CHMRE type -Foot Mounting with Solid Double Input Shaft!
CHM type - Foot Mounting with Pam Hollow Input Shaft & Motor Flange!
CHME type - Foot Mounting with Pam Hollow Input Shaft & Motor Flange and Solid Input Shaft Extension! 
Design Types:
Optional Extras:
!- Motor Flanges 56-100 B5/B14
2- Output Flanges F - FD!
3- Single Output Shaft!
4- Double Outpur Shaft!
5- Torque Arm!
6- Shaft End Cover!
7- Motor Shaft Sleeves (Single & Double)!
Unit
Size
025 30 40 50 63 75 90
Ratio's 
7.5,10,15
20,25,30
40,50,60
7.5,10.15
20,25,30
40,50,60
80
7.5,10.15
20,25,30
40,50,60
80,100
7.5,10,15
20,25,30
40,50,60
80,100
7.5,10,15
20,25,30
40,50,60
80,100
7.5,10,15
20,25,30
40,50,60
80,100
7.5,10,15
20,25,30
40,50,60
80,100
 Motor
Flanges
56B14
56B5/B14
63B5/B14
56B5
63B5/B14
71B5/B14
63 B5
71B5/B14
80B5/B14
71B5/B14
80B5/B14
90B5/B14
71B5
80B5/B14
90B5/B14
100B5/B14
80B5/B14
90B5/B14
100B5/B14
Output
Flange
Types
 FA   FA
FA,FB,FC
FD
FA,FB.FC
FD
FA,FB.FC
FD,FE
 FA, FB
 FA,FB,FC
FD
Mounting
Positions
Universal  Universal  Universa Universal Universal
B3, B6, B7
B8,F1,F2
B3,B6,B7
B8,F1,F2
This New feature is there to provide useful links to other pages, further information and Tips you may find of interest?
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Lubrication:
Tips:
As the Input shaft seal is now mounted in the gear casing rather than the Input Flange, then it is now possible to fit none IEC Motor Flanges as required for DC or Brushless Motors?
All CHM Series Sizes 025 to 63 are suitable for universal mounitng positions, B3, B6, B7, B8, V5 & V6 the sizes 75 & 90 are only suitbale for B3, B6, B7 & B8 mounting positions and can be adapted for V5 & V6 upon request or alternative you can contact our Techincal Sales Department for information on adapting a B3 gear unit suitable for V5 & V6 Mouning!
Other Sizes & Design Types:
-> CH 06-08 Worm Units (Bonfiglioli W 63-86)
-> CH 03-05 Worm Units (Bonfiglioli VF30 -49)
-> CHM110-150 Worm Units (Motorvario NRV/NMRV110-150)
-> CHPC/CH Prestage Helical Spur/Worm(Bonfiglioli VFR44, 49&WR63,75&86)
-> CHPC/CHM Prestage Helical Spur/Worm(Motovario PC-NMRV040-130)
-> CHM/CHM Double Worm Units (Motovario NMRV/NMRV025/030- 063/150)
-> CH/CH Double Worm Units (Bonfiglioli VF30/44 -VFW44/86)
-> CHS Worm Screw Jacks (Manuel & Motorised) 0.5 to 10 ton
-> CHA Shaft Mounted Speed Reducer (Bonfiglioli TA30-80)
If you can not find what you are looking for here!
Besides the sizes listed here, we can also provide the entire range of Bonfigiloli Inlne units as well as others brand name such as Varvel and Siti? please contact our Sales Office for full details!
-> CHC Helical Inline Gear Unit with same Foot print as Motovario & Bonfiglioli)
-> CHO Helical-Hypoid Gear Unit with Same Footprint of CHM& CH Worm Units
-> CHT-RP Right Angle Spiral Bevel T Gear units (Poggi 2000 Series)
-> CHT-RB Right Angle Spiral Bevel T Gear (Poggi 4000&Bonfigiloli RAN series)
Drive selection Service is available upon request!
Technical Drive Service:
-> CHV Mechanical Variators 5-1 similar to (Motorvario/Bonfiglioli/Siti)
-> Adjustable Motor Bases & Slide Rails can also be use for GearBox mounting
UK -Tel: (44) 0121 555 6777 Fax: (44) 0121 555 6779