IMO: Product details


	Slewing Ring
	Slew Drive Product Line Overview
		Series WD-L
		Series WD-LA
	Series Overview
	WD-LA 0223/3-06370 WD-LA 0223/3-06630 WD-LA 0343/3-06371 WD-LA 0419/3-06372 WD-LA 0419/3-06631 WD-LA 0478/3-06373 WD-LA 0625/3-06374
		Series WD-H
		Series SP-L
		Series SP-I
		Series SP-M
		Series SP-H

WD-LA Series

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Size 0478 / single row

inch

Please note: Dimensions in fps-system (inch)

Section A - B

Mounting holes
Y = 32 Holes 5/8-11 UNC - 1.181 deep, equally spaced
Z = 31 Holes ø0.709, equally spaced over 32 pitch

Lubrication ports
4 Taper type grease nipples on the internal diameter
1 Taper type grease nipple on the outside of the housing

Slew drive supplied pre-lubricated

Note, mounting face against upper surface
shall be within the limits of ø18.819 and ø22.992

Download *.sldprt

Drawing reference number WD-LA 0478/3-06373

Module

[mm]

Number of starts of the worm

[ - ]

Gear ratio

[ - ]

Self-locking gears

no**

Maximum torque SFS = 1

M_{d max}

[ft-lbs]

17,913

Nom. torque SF = 1 at n = 1 rpm

M_{d nom}

[ft-lbs]

17,913

Maximum holding torque*

M_h

[ft-lbs]

17,913

Static load rating, radial

C_{o rad}

[lbs x 1,000]

151

Static load rating, axial

C_{o ax}

[lbs x 1,000]

406

Dynamic load rating, radial

C_rad

[lbs x 1,000]

Dynamic load rating, axial

C_ax

[lbs x 1,000]

Weight

[lbs]

287

*Optional with brake
**Self-locking with mounted permanent brake or with mounted hydraulic motor and oil return stop

The selection of the hydraulic / electric motor depends on actual customer requirements and specifications.
Selection example: performance data with hydraulic motor 2-220


Pressure differential	Δp	[psi]	2,900
Oil flow	Q	[gal(US)/min]	6.4
Output speed	n	[rpm]	1
Maximum achievable torque	M_d	[ft-lbs]	17,913

Limiting load diagram for ‘compressive’ load

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