Flexbloc Speed Reducers

Posted by Kyle Damon on

Flexbloc Speed Reducers from Nord Gear are one of the most popular items that we sell, mostly due to their low cost and modularity. The bolt-on c-face kits makes it much easier for us to carry the majority of possible configurations in stock, as it significantly reduces the number of parts needed to inventory. 

FLEXBLOC™ Key Features:
• Large inventory of worm-modules & accessory kits
• Universal foot and flange-mount housings
• Keyed hollow-bore units with solid shaft kits
• Adaptable to any mounting position
(universal oil fill)
• Easy to assemble accessories
• NEMA, IEC, or solid shaft input as standard
• Accommodates stocked C-Face motors
or brakemotors

UNICASE® One Piece Housing
NORD heavy-duty, one-piece housings are precisely
machined to exacting standards. Internal reinforcements
further increase strength and rigidity. All bearings and
seal seats are contained within the casting, eliminating
splits or bolt-on carriers that can weaken the housing
and allow oil leakage. Bores and mounting faces are
machined in one step, producing extremely precise tolerances
— thus ensuring accurate positioning of gear teeth,
bearings and seals, and longer life for all components.
• Increased torsional strength and rigidity.
• Eliminates housing splits and bolt-on carriers.
• Leak-free housing design.
• Versatile mounting options and accessory kits.

Modular Construction
• Easy-to-configure input and output accessories.
• Integral motor or motorized c-face units.
• NEMA, IEC or solid shaft input options.
• Footed, flanged or shaft-mount.
• 10:1 helical pre-stage & compound assemblies.
• Keyed hollow bore, solid shaft, and
bushing-kit options.

Factory Oil Filled
NORD factory-filled gear units allow for easy commissioning
of the gear unit and prevent damage caused by
dry start-ups. Each unit is filled with a quality gear lubricant
that is recognized by the industry.
• Maintence free / lubricated-for-life.
• High-quality long-life synthetic lubricant.
• USDA H1 lubrication readily available.
• Optional venting capabilities.

Flexible Solutions & Bolt-On Modules

NEMA C-FACE COUPLING ADAPTER
For attaching standard motors
Kit contains:
• Adapter flange
• Coupling
• Nuts and bolts

2ND REDUCTION
Helical 10:1 gear set
Fits all size gearboxes
Lifetime synthetic lubricant
Sealed unit
Kit contains:
• Pre-assembled unit
• Bolts

SOLID INPUT SHAFT
Fits all size gearboxes
Lifetime lubricant
Sealed unit
Kit contains:
• Pre-assembled unit
• Bolts

DOUBLE WORM ADAPTER
Mounts the SK1SI/SMI31 to the input of
the larger SK1SI/SMI40 - SK1SI/SMI75 to
produce a high reduction double worm gear unit
Kit contains:
• Adapter flange
• Coupling
• Shaft
• Keys
• Bolts

NORD C-FACE MOTORS & BRAKEMOTORS
3 phase, 230/460, 60 Hertz
3 phase, 575V, 60 Hertz
Options:
• Power off brake • Encoders
• Numerous brake options • Space heater
• Thermistor temperature sensors • Canopy drip covers
• Thermostat temperature sensors • Encapsulated windings
• Blower fan • End bell drain holes

SOLID OUTPUT SHAFT
Inch dimensions with standard keys
Plug into standard hollow shaft
Install on either side
Kit contains: Options:
• Shaft • Double solid shaft
• Keys
• External snap ring

B5 OUTPUT FLANGE
Multiple flanges available for each
size gearbox. Flange pilots are
centered in seal bore.
Kit contains:
• Die cast flange
• Bolts

SHAFT PROTECTION COVER
Seals shaft end Safety protection from rotating shafts.
Kit contains:
• Cover
• Bolts

FOOT PLATE
Mounts to the bottom of the FLEXBLOC™
to provide drop-in compatibility with
many worm gear reducers.
Kit contains:
• Foot plate
• Bolts

TORQUE REACTION ARM
For shaft mounting
Rubber shock absorber installed in attachment end.
Kit contains:
• Torque arm
• Bolts

SHAFT BUSHING
Hollow shaft bushing for increased bore flexibility.
Kit contains:
• Bushings with set screw
• Key

FIXING KIT
Optional mounting device that engages the
customer solid shaft tap and draws the end of the
shaft into contact with the hollow bore snap ring.
Kit contains:
• Carbon Steel retaining washer and bolt
• Spring loaded steel snap ring
• Plastic cover

 


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