Electric Cylinders

Joyce electric cylinders lift and precisely position up to 20 tons, achieve travel speeds up to 546 inches per minute, and raise loads up to100 inches. They are well suited for industrial environments where protection of the lifting screw mechanism is critical and low maintenance is desired. Requiring only electric power, Joyce electric cylinders may also be used in place of hydraulic cylinders, eliminating the cost and potential for leaks associated with hydraulic systems.

2.5 ton to 20 ton thrust capacities available
Standard, Motor mount, and ComDRIVE models are available
Ground and hard-chrome plated inner tubes, alloy steel input shafts
All models with efficiencies ≥ 30% require a brake motor to hold position
Joyce Dayton can customize electric cylinders to your specifications

Complete dynamic speed/load ratings and maximum rise information can be viewed on our quick reference charts. Both acme (ECA) and ball screw (ECB) electric cylinder actuator models are designed to operate at the charted capacities under both tension and compression loading.

Electric Cylinders are available in Standard, Motor Mount, and ComDRIVE models.

Parts list and illustrations are included in the O&M Manual. Serial numbers are attached to the product housing.

For additional linear actuator and electric actuator cylinder products please check out:
Multipurpose Actuators, Integrated Actuators and Linear Actuators.

Acme Screw O&M Manual, ECA

Ball Screw O&M Manual, ECB

Ordering Information

Serial Number Example

Click here for 2D & 3D

Drawings & Illustrations

Product Options

ComDRIVE Options Special reducer ratios available Special mounting positions available Special motor adapters available Mount limit switch to gear reducers	Encoders Standard 200 PPR, quadrature mount on input shaft OR Ring Style 60 PPR, quadrature mounts to C-faced motor flange Encoders	Finishes Enamel finish (standard) Epoxy finish Epoxy finish – Steel It epoxy Outdoor paint process Custom finishes available Anodized (250-lb to 1-ton) Nickel, Xylan®, Armoloy® Finishes
Hand Wheels 4" – 12" dia. (standard) Aluminum (standard) Stainless steel available Hand Wheels	Input Shaft (worm) Square or hex to fit tool Special lengths 17-4 stainless steel available Metric diameters available One side can be cut off Other modifications available Input shaft cover available	Limit Switches Rotary cam (2-7 switches) SPDT standard DPDT available Explosion proof available Limit Switches
Lubrication Standard operating (40°F to 220°F) Low temperature option High temperature option Food grade option	Mechanical Counters 0.001" increments (CNT0) Counters	Motor Mounts Available on 2-ton to 20-ton wormgear jacks and electric cylinders Included on integrated actuators NEMA motor mounts Special mounts available Motor Mounts and Stock Motors
Oversized Ball Bearings Available for ball screw jacks Limits screw backlash to 0.003"	Potentiometers 0-10V (POTA) 4-20mA (POTB) 0-10V with limit switches (POTC) 4-20mA with limit switches(POTD) IP65 available Potentiometers

Ordering Information

Sample Part Number:

Click on the part number to reveal additional informaton about jack designs and shaft codes.

ECAL65

18.5

STDX STDX

Model Number

2.5-Ton ACME Screw	2.5-Ton Ball Screw	3-Ton ACME Screw	3-Ton Ball Screw	5-Ton ACME Screw	5-Ton Ball Screw	10-Ton ACME Screw	10-Ton Ball Screw	20-Ton ACME Screw	20-Ton Ball Screw
ECAL242.5 ECAH62.5 ECAH122.5 ECAH242.5	ECBL62.5 ECBL122.5 ECBL242.5 ECBM62.5 ECBH62.5	ECAL63 ECAL123 ECAL243	ECBL63 ECBL123 ECBL243 ECBH63 ECBH123 ECBH243	ECAL65 ECAL245 ECAM65 ECAM125 ECAM245 ECAH65 ECAH125 ECAH245	ECBL65 ECBL125 ECBL245 ECBM65 ECBM125 ECBM245 ECBH65 ECBH125 ECBH245	ECAL810 ECAL2410 ECAM810 ECAM2410 ECAH810 ECAH2410	ECBL810 ECBL2410 ECBM810 ECBM2410 ECBH810 ECBH2410	ECAL820 ECAL2420 ECAM820 ECAM2420 ECAH820 ECAH2420	ECBL820 ECBL2420

Important Note: Electric Cylinders that are ≥ 30% efficient may lower under load. Brake motors or external locking systems are required.

Tube End Conditions

Base Designs

Cylinder Rise

Rise is travel expressed in inches and not the actual tube length. The allowable travel for each unit is listed in the Quick Reference section. Allowable lengths differ for vertical and horizontal mounting.

Left Side Shaft Code

Right Side Shaft Code

XXXX=Remove
STDX=Standard

Optional Shaft Codes

Screw Stops and Boots

Screw stops are optional on machine screw jacks. When specified, the closed height
of the jack and/or the protection tube length may be increased.
When boots are added to machine screw jacks, the closed height of the jack may
be increased.

Mechanical Counters

CNT0=0.001" Increments
Note: Contact Joyce/Dayton for availability and options.

Hand Wheels

HW04=4" dia
HW06=6" dia
HW08=8" dia
HW10=10" dia
HW12=12" dia

Not recommended for cylinders that are ≥ 30% efficient.

Geared Potentiometers

POTA=0-10V (IP65)
POTB=4-20MA (IP65)
POTC=0-10V w/2 switches*
POTD=4-20MA w/2 switches*
*Optional IP65 rating available

Encoders and Electronic Liit Switches

ENCX=Encoder
ELS2=2 Position Electronic Switch
ELS4=4 Position Electronic Switch
ELS6=6 Position Electronic Switch

ComDrive Reducers
Ordering Example: P2 (Moutning Positions) A (Ratio) C (Motor code from chart below)
Mounting Positions					Ratio
Code	P1	P2	P3	P4	5:1 Code A 7.5:1 Code B 10:1 Code C
Left Side Shaft Positions
Right Side Shaft Positions

Motors

Size	Code
1/4 HP	K
1/3 HP	A
1/2 HP	B
3/4 HP	C
1 HP	D
1-1/2 HP	E
2 HP	F
3 HP	L
5 HP	G

Motor Mounts

Ordering Example:
MMA A (Motor code from chart above)

MMA=56C
MMB=140TC
MMC=180TC
MMD=210TC

Standard motor adapters are aluminum

All standard motors are 3-phase, 208-230/460 VAC or 230/460 VAC. Specify the appropriate motor size from the chart above. Refer to the "Additional Options" chart on the preceding page as needed. Brake motors are required for electric cylinders that are more than 30% efficient. Contact Joyce/Dayton options that are not listed.

Mechanical Limit Switches

Ordering Example:
LA (Models) 1(Number of DPDT Switches) 3(Available Positions)

Model	Code		Available Positions
LS7-402	LI	Number of DPDT Switches NOTE: Will always be 0 for LS7 models		1	3	5
LS8-402	LA		Left Side Shaft Options
LS8-504	LB
LS9-502	LC
LS9-503	LD		Right Side Shaft Options
LS9-504	LE
LS9-505	LF
LS9-506	LG		2.5, 3, 5, 10, and 20 Ton Electric Cylinders are available with positions #1, #3, and #5
LS9-507	LH

To order additional options, use these part numbers

Female Clevis Bracket
FCB-30
FCB-100
FCB-200

Clevis Pin w/ retaining rings
CP-30
CP-100
CP-200

Female Rod Clevis
FRC-30
FRC-100
FRC-200

Additional Options

X=Standard Jack, no additional options
S=Additional Specification Required (comment as necessary)

Finishes

F1=Do Not Paint
F2=Epoxy Paint
F3=Outdoor Paint Process

Motor Options

M1=Less Motor
M2=Brake Motor
M3=Single Phase Motor (120VAC)
M4=50Hz Motor

Grease/Seals

H1=High Temperature Operation
H2=Food Grade

Specify as many options as needed

Product Specifications

Model	Static Capacity	Screw Diameter	Thread Pitch/Lead	Worm Gear Ratio	Worm Shaft Turns for 1" Travel	Tare Torque (Inches Lbs.)	Starting Torque (Inches Lbs.)	Operating Torque (Inches Lbs.)	Translating Tube Torque (Inches Lbs.)	Base Weight	Weight per Inch Travel
ECAL242.5	2.5 ton	1	.25 pitch ACME 2C	24:1	96	6	.018W*	.010W* @ 500 RPM	.098W*	24	1.5
ECAH62.5	2.5 ton	1	.25 pitch .5 lead ACME 2C	6:1	12	8	.056W*	.040W* @ 500 RPM	.140W*	24	1.5
ECAH122.5	2.5 ton	1	.25 pitch .5 lead ACME 2C	12:1	24	7	.035W*	.023W* @ 500 RPM	.140W*	24	1.5
ECAH242.5	2.5 ton	1	.25 pitch .5 lead ACME 2C	24:1	48	6	.025W*	.014W* @ 500 RPM	.140W*	24	1.5
ECBL62.5	2.5 ton	1	0.25 lead ball	6:1	24	8	.017W*	.013W* @ 500 RPM	.045W*	30	1.5
ECBL122.5	2.5 ton	1	0.25 lead ball	12:1	48	7	.010W*	.008W* @ 500 RPM	.045W*	30	1.5
ECBL242.5	2.5 ton	1	0.25 lead ball	24:1	96	6	.008W*	.005W* @ 500 RPM	.045W*	30	1.5
ECBM62.5	2.5 ton	1	0.5 lead ball	6:1	12	8	.033W*	.026W* @ 500 RPM	.089W*	30	1.5
ECBH62.5	2.5 ton	1	1 lead ball	6:1	6	8	.065W*	.051W* @ 500 RPM	.177W*	30	1.5
ECAL63	3 ton	1 1/4	.25 pitch ACME 2C	6:1	24	9	.048W*	.033W* @ 500 RPM	.114W*	26	1.9
ECAL123	3 ton	1 1/4	.25 pitch ACME 2C	12:1	48	8	.030W*	.018W* @ 500 RPM	.114W*	26	1.9
ECAL243	3 ton	1 1/4	.25 pitch ACME 2C	24:1	96	7	.021W*	.011W* @ 500 RPM	.114W*	26	1.9
ECBL63	3 ton	1 3/20	.2 lead ball	6:1	30	9	.013W*	.011W* @ 500 RPM	.036W*	32	1.9
ECBL243	3 ton	1 3/20	.2 lead ball	12:1	60	8	.008W*	.006W* @ 500 RPM	.036W*	32	1.9
ECBH63	3 ton	1 1/16	.625 lead ball	6:1	9.6	9	.041W*	.032W* @ 500 RPM	.111W*	32	1.8
ECBH123	3 ton	1 1/16	.625 lead ball	12:1	19.2	8	.025W*	.018W* @ 500 RPM	.111W*	32	1.8
ECBH243	3 ton	1 1/16	.625 lead ball	24:1	38.4	7	.018W*	.011W* @ 500 RPM	.111W*	32	1.8
ECAL65	5 ton	1 1/2	.25 pitch ACME 2C	6:1	24	15	.057W*	.039W* @ 300 RPM	.130W*	50	2.3
ECAL245	5 ton	1 1/2	.25 pitch ACME 2C	24:1	96	12	.026W*	.014W* @ 300 RPM	.130W*	50	2.3
ECAM65	5 ton	1 1/2	.375 pitch STUB ACME	6:1	16	15	.065W*	.045W* @ 300 RPM	.151W*	50	2.3
ECAM125	5 ton	1 1/2	.375 pitch STUB ACME	12:1	32	13	.041W*	.025W* @ 300 RPM	.151W*	50	2.3
ECAM245	5 ton	1 1/2	.375 pitch STUB ACME	24:1	64	12	.030W*	.016W* @ 300 RPM	.151W*	50	2.3
ECAH65	5 ton	1 1/2	.25 pitch .5 lead ACME 2C	6:1	12	15	.073W*	.051W* @ 300 RPM	.171W*	50	2.3
ECAH125	5 ton	1 1/2	.25 pitch .5 lead ACME 2C	12:1	24	13	.046W*	.029W* @ 300 RPM	.171W*	50	2.3
ECAH245	5 ton	1 1/2	.25 pitch .5 lead ACME 2C	24:1	48	12	.033W*	.018W* @ 300 RPM	.171W*	50	2.3
ECBL65	5 ton	1 1/2	.474 lead ball	6:1	12.66	15	.032W*	.025W* @ 300 RPM	.084W*	65	2.3
ECBL125	5 ton	1 1/2	.474 lead ball	12:1	25.33	13	.020W*	.014W* @ 300 RPM	.084W*	65	2.3
ECBL245	5 ton	1 1/2	.474 lead ball	24:1	50.66	12	.015W*	.009W* @ 300 RPM	.084W*	65	2.3
ECBM65	5 ton	1 1/2	1.0 lead ball	6:1	6	15	.067W*	.052W* @ 300 RPM	.177W*	65	2.3
ECBM125	5 ton	1 1/2	1.0 lead ball	12:1	12	13	.042W*	.030W* @ 300 RPM	.177W*	65	2.3
ECBM245	5 ton	1 1/2	1.0 lead ball	24:1	24	12	.031W*	.018W* @ 300 RPM	.177W*	65	2.3
ECBH65	5 ton	1 1/2	1.875 lead ball	6:1	3.2	15	.125W*	.098W* @ 300 RPM	.332W*	65	2.3
ECBH125	5 ton	1 1/2	1.875 lead ball	12:1	6.4	13	.079W*	.055W* @ 300 RPM	.332W*	65	2.3
ECBH245	5 ton	1 1/2	1.875 lead ball	24:1	12.8	12	.057W*	.034W* @ 300 RPM	.332W*	65	2.3
ECAL810	10 ton	2	.25 pitch ACME 2C	8:1	32	30	.052W*	.036W* @ 200 RPM	.162W*	64	2.8
ECAL2410	10 ton	2	.25 pitch ACME 2C	24:1	96	25	.026W*	.016W* @ 200 RPM	.162W*	64	2.8
ECAM810	10 ton	2	.5 pitch ACME 2C	8:1	16	30	.061W*	.044W* @ 200 RPM	.195W*	64	2.6
ECAM2410	10 ton	2	.5 pitch ACME 2C	24:1	48	25	.031W*	.019W* @ 200 RPM	.195W*	64	2.6
ECAH810	10 ton	2	.333 pitch .66 lead ACME 2C	8:1	12	30	.070W*	.051W* @ 200 RPM	.228W*	64	2.7
ECAH2410	10 ton	2	.333 pitch .66 lead ACME 2C	24:1	36	25	.035W*	.022W* @ 200 RPM	.228W*	64	2.7
ECBL810	10 ton	2	.474 lead ball	8:1	16.88	30	.023W*	.019W* @ 200 RPM	.084W*	81	2.3
ECBL2410	10 ton	2	.474 lead ball	24:1	50.66	25	.012W*	.008W* @ 200 RPM	.084W*	81	2.3
ECBM810	10 ton	1 1/2	1.0 lead ball	8:1	8	30	.049W*	.040W* @ 200 RPM	.172W*	81	2.3
ECBM2410	10 ton	1 1/2	1.0 lead ball	24:1	24	25	.024W*	.017W* @ 200 RPM	.172W*	81	2.3
ECBH810	10 ton	1 1/2	1.875 lead ball	8:1	4.27	30	.091W*	.074W* @ 200 RPM	.332W*	81	2.3
ECBH2410	10 ton	1 1/2	1.875 lead ball	24:1	12.8	25	.045W*	.031W* @ 200 RPM	.332W*	81	2.3
ECAL820	20 ton	2 1/2	.25 pitch ACME 2C	8:1	32	60	.066W*	.044W* @ 200 RPM	.194W*	124	4.9
ECAL2420	20 ton	2 1/2	.25 pitch ACME 2C	24:1	96	40	.035W*	.019W* @ 200 RPM	.194W*	124	4.9
ECAM820	20 ton	2 1/2	.5 pitch ACME 2C	8:1	16	60	.075W*	.052W* @ 200 RPM	.227W*	124	4.7
ECAM2420	20 ton	2 1/2	.5 pitch ACME 2C	24:1	48	40	.039W*	.022W* @ 200 RPM	.227W*	124	4.7
ECAH820	20 ton	2 1/2	.375 pitch .75 lead ACME 2C	8:1	10.67	60	.088W*	.062W* @ 200 RPM	.273W*	124	4.8
ECAH2420	20 ton	2 1/2	.375 pitch .75 lead ACME 2C	24:1	32	40	.046W*	.027W* @ 200 RPM	.273W*	124	4.8
ECBL820	20 ton	2 1/4	.5 lead ball	8:1	16	60	.026W*	.020W* @ 200 RPM	.089W*	164	4.5
ECBL2420	20 ton	2 1/4	.5 lead ball	24:1	48	40	.014W*	.009W* @ 200 RPM	.089W*	164	4.5

Important Note: Electric cylinders that are >/= 30% are not self-locking. Brake motors or external locking systems are required.
*W: Load in pounds.
Tare Torque: Initial torque to overcome seal and normal assembly drag. This value must be added to starting torque or operating torque values.
Starting Torque: Torque value required to start moving a given load (dissipates to operating torque values once the load begins moving).
Operating Torque: Torque required to continuously raise a given load at the input RPM listed.
Translating Tube Torque: Torque required to resist tube rotation.
Lead: The distance traveled axially in one rotation of the lifting screw.
Pitch: The distance from a point on a screw thread to a corresponding point on the next thread, measured axially.

Screw Jacks

Actuators

ComDRIVEs

Technical Information

Customer Service

Ordering

Electric Cylinders

ComDRIVE Options

Encoders

Finishes

Hand Wheels

Input Shaft (worm)

Limit Switches

Lubrication

Mechanical Counters

Motor Mounts

Oversized Ball Bearings

Potentiometers

Sample Part Number:

Model Number

Tube End Conditions

Base Designs

Cylinder Rise

Left Side Shaft Code

Right Side Shaft Code

Optional Shaft Codes

Screw Stops and Boots

Mechanical Counters

Hand Wheels

Geared Potentiometers

Encoders and Electronic Liit Switches

Motors

Motor Mounts

Mechanical Limit Switches

To order additional options, use these part numbers

Additional Options

Finishes

Motor Options

Grease/Seals