Spring Design Guide Web

8/18/2019 Spring Design Guide Web

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design guide ps 23

215.721.1721

VULCAN SPRINGS WORK!

DESIGN

GUIDE FOR CONSTANT FORCE, CONSTANT TORQUE,

CONPOWER® POWER, MOTOR BRUSH AND TWIN SPRINGS


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Page 2

Conpower®

Power Springs

Conforce®

Constant ForceSprings

Contorque®

Constant TorqueSprings

Motor Brush

Twin Springs

Pr-tr owr r

ar rvr wo o to

a arbor a clo

a ca to crat a comact

owr orc. Th q

cotrco rov a

hh mbr of tr wth

a low torq rat. It

rov rotaoal ryfrom thr th arbor or

th ca. It ca alo rov

lar moo wth th

of a lly or cabl.

Cotat forc r

or hh forc ott

wth vry mall ac

rqrmt, mak

thm al for a w

varty of alcao

whr cotat forc

. Abl to tor

owr tly whxt, Coforc®

r rov lo

lar rach wthot

forc bl. Varabl

forc r ar alo

avalabl.

Cotat torq r

rov hh amot of

torq a mall acka.

Bca of thr q

, Cotorq® r

allow mro tr

wthot a cha forc.

Th mooth roll aco

of Cotorq® r al for cabl xto

a rov a altrav

to bary motor or a

wht.

Whthr l or

tw brh r ar

rqr, motor brh

r ar th al

mtho of r

cott, abl

forc o th brh

for lctrc motor

commtator. Motorbrh r mmz

brh war for mrov

motor rformac.

CONFORCE®, CONTORQUE®, PULLBOX® a ar tramark of Vlca Sr & Mf. Co.

THE COMPANY TO RELY ON...

Vlca Sr & Mf. Co., fo 1967, cat ot oly to mafactr th t

obl ctom-ma art bt to mak r that ach ctomr’ cc r ar flly

ralz th al roct.

Vlca or or ctomr th rvc of a flly trat, acally o mafactr

orazao, calz th a roco of cotat forc r a rlat

roct. Coforc®, Cotorq®, Coowr®, motor brh, tw r, mchacal rl, th

oral Pllbox® l, r ambl a rt lac croll ar all mafactr or

Tlfor, Pylvaa, USA factory.


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Cross Curve &

Snap Bracelets

Mechanical

Reels

Spiral Torsion

Springs

Other Custom

Springs

Cro crv matral a

at tr of tl whch

cro crv alo th

wth, mak th tr

r. It varo

calty alcao

cl aroac,

f a ral

tral.

Sa braclt ar

roc from a qly

ha matral that

lock wh traht a

col o th rla of

cro crv to.

Mchacal rl rov

owr for alcao

rqr cotrbalac,

rtrv or rtr. I

alcao rqr lo

co, mchacal

rl rov rlabl

forc a hh cycl lf.

Vlca’ mchacal rlar xtrmly r a

for maxmm lf.

Sral toro r ar

roc from at tl

a ar charactrz by

th rqrmt that thr

col tycally o ot toch

r orao. A ral

toro r wll xrt a

rotaoal torq, ally

throh 360° rotao orl. Th torq crv of a

ral toro r lar

to th r of rotao.

Thy ar brh

motor a alcao

whr hort rotao

rqr.

From tam a lot

clor to wr form,

toro r, cro-

crv a ta a

ctom at r ,

Vlca q to

mt all yor r

.

© Coyrht 2014, Vlca Sr & Mf. Co.

Vlca Sr qly q to b yor artr for ctom r olo. Mafactr

to th xact ccao of r a r, Vlca rov xtv xr,

rmm matral lco a la mafactr caabl.

Th vat majorty of th r Vlca Sr roc ar at r ma from Ty 301

tal tl. Othr matral ch a Elloy, Icol a hh-carbo tl ar alo lz. By

foc o o ty of r a ot try to bcom “vryth to vryboy”, Vlca Sr

ha vlo ratr alcao kowl a xr tha ayo l th at r

try. Flat tl r roct cl:


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Page 4

CONSTANT FORCE SPRINGS

Sc th troco of cotat forc r to try, r hav b th comotto olv roblm rqr a cotat forc or torq. Evry cotat forc r roc to rov acc forc whch xrt throh th r xto of th r. Th forc cotat a lo a thra rma cotat. I lor r th cha ra, to amtr bl-, ca th r tocra forc lhtly a t xt. Cotat forc r lvr mor forc r o of matral tharavty vc.

VARIABLE FORCE SPRINGS

I om alcao t rabl for th r to hav l forc a t xt whl othr t rfrabl to hav mor forc. A r that roc l forc a t xt a to hav a avrat. Nav rat to 25% ar obl. A r that roct mor forc a t xt haa ov rat. Pov rat of 500% ar obl. Or comtr cotroll mach allow tomafactr r wth th varabl forc rqr to mt th of yor alcao.

MATERIALS

Svral matral ar to mak cotat forc r cl tal tl, hh carbo tl, Icol,

Elloy, lac a othr a rqr. Ty 301 tal tl ha rov to b ror for cott qalty,lf, avalablty, tr rto a lowt roct cot.

Not: 1. Ty 301 tal tl, t har coo, mac. 2. Pavao ot rqr or rcomm.

TESTING AND INSPECTION

Ico xr a ky art of or cc. Or mor mtroloy tool ar to accratly acottly mar th forc a may othr charactrc of or roct. All of or tool ar rolycalbrat to Naoal Itt of Staar a Tcholoy rqrmt.

Or qalty cotrol tam work cloly wth or al tam a or ctomr to clarly th co

crtra. W hav xrc work wth qalty roram from may tr cl aroac,atomov a f.

NORMAL FORCE TEST PROCEDURE

1. Th forc ally mar at thfll xto lth.

2. Th r cycl acro th ttlth at lat thr m.

3. Th r th xt to th ttlth a lock to rov a omalforc ra that thr xtor rtrac.

4. Normal tolrac ar ± 10% bothforc a amtr.

A a calty, Vlca ha th caabltyto rov yamc forc rathrohot a r’ xto artraco, v a fll vw of th r’rformac. Th cally hlflwh mar varabl forc r.

CONFORCE® SPRING DESIGN

“A” Minimum extension needed to achieve rated force = O.D. + PICKUP END

NOTE - No torque may be obtained from the storage spool of the spring.


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Conforce® Spring Twin SpringContorque® Spring Back Plate Assembly Variable Force Spring

(I.D.) of th r t o th thck, lfcycl a forc rqr. Th ot amtr (O.D.) t o th abov wth ovrall lth a aaoal corao. Not that a cotat forcr o ot xt tat to th boy of th r.To allow for ror orao, a mmm tac of.80” X I.D. rqr a hol b cor ral . Th taar tolrac for th I.D. a O.D. ± 10%.

5. Calculate the total length – Th total lth of th rhol tak to accot th actal xto of thr th alcao. Aoally, allow for at lat1 tr to rma wh th r flly xt. If

mo th r o a ovrz ool, aoalmatral may b rqr. Th bac formla for thmao :

(I.D. X 3.14159 X 1.5) + maxmm xto lth.

Wh a ool amtr ratr tha th I.D.,btt th ool amtr lac of th I.D. for thcalclao.

If thr a lar o th frot of th r (commolycall a ck), that lth hol b a to thovrall lth.

6. Select the end detail – Vlca Sr ha may taar tal avalabl. Draw o a 10 a 11 how

om that ar avalabl. Scal may bobta for a aoal char.

7. Consider the environment – Corrov atmohr orxtrm tmratr wll act a r’ rformac.A Vlca r ca at th tao whcho ca b ar wth altrat matral choc.

8. Finalize the design – Oc all of th abov crtrahav b rvw, a th r ca b locat orxtraolat from th chart, a r art mbrca b troc. Vlca’ ytm qt ay wha art mbr to . B awar howvr,that a art mbr o ot cl th tal,ck lth or ay othr cal rqrmt. Thart mbr th follow:

a. Th lr from th lct lf tablb. Th thck of th r mlc. Th lr co of th wth of th r

(tak from th chart) . Th ovrall lth ch

Th follow aramtr act th : lf, forc,ac avalabl, lth a vromtal factor. Othrfactor whch may b q to a arclar alcaohol b c wth yor Vlca Sr r othy ca b cor th al .

Th follow a cl a fw r-r to mlfy th tak of th r.

These tables should be used only as a guide andare not a list of stock springs.

For avalabl tock r, vw a 10.

Vlca Sr work wth or clt at varo ta

of thr roct vlomt roc wth DFM(D For Mafactr) rcl. W wll hl yolz taar tl z a omal mafactrtchq to or th bt r obl atth lowt cot. D to varabl th raw matral,a tolrac of ± 10% both forc a amtr rqr.

Rvw th tabl th to at yo wth thfollow aramtr:

1. Select material – Mot of th at tl r thatVlca Sr roc ar ma from Ty 301

Stal Stl. Th matral raly avalabl arctabl. A Vlca Er ca at chooa taar z to xt th roc. Othrmatral w hav to mafactr cotatforc r cl hh carbo tl, Icol aElloy.

2. Esmate the life – Th lf of a cotat forcr vry rctabl, mak t o of th motmortat corao. Th mt bralc howvr, c ma a hh lf cyclca la to a larr, mor xv art whlrma th lf cycl ca la to rmatrfalr. Th D G ha chart that rafrom 4,000 to 100,000 lf cycl. If a hh lf cycl

, corao hav to b ma forcra tolrac of th r’ amtr aforc to th low tr lvl a lht varac matral.

3. Establish the force – Th forc of a cotat forcr hol b qal to th rqrmt of thalcao. Staar tolrac for th forc of acotat forc r ± 10%.

4. Determine the space – Wh rvw th chart or D G, t wll bcom obvo that thrar vral thck a wth combao thatwll rlt th am forc. Th amtr

DESIGN CONSIDERATIONS

Example: Conforce Spring #J12G21 species type 301stainless steel, 8,000 cycle, .012” thick, /” wide, 21”long spring, producing force of 3.42 pounds, with a 1.05”I.D. Further customer specic requirements such as enddetails would be added to the part number.


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CONFORCE® SPRING DESIGN GUIDE

Symbols used in Design Guide: t = matral thck (ch) ID = col amtr (ch) ± 10%

b = matral wth (ch) P = forc (o) normal force tolerance ± 10%

GUIDE HSPRING LIFE

4,000 C YCLES

GUIDE JSPRING LIFE

8,000 C YCLES

GUIDE KSPRING LIFE

12,000 C YCLES


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AISI TYPE 301 STAINLESS STEELVIEW END DETAILS ON PAGE 20


b = matral wth (ch) P = forc (o) normal force tolerance ± 10%

GUIDE LSPRING LIFE

25,000 C YCLES

GUIDE MSPRING LIFE

50,000 C YCLES

GUIDE NSPRING LIFE100,000 C YCLES


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CONFORCE® SPRING DESIGN GUIDE - METRIC

Symbols used in Design Guide: t = matral thck (mm) ID = col amtr (mm) ± 10%

b = matral wth (mm) P = forc (Nwto) normal force tolerance ± 10%

GUIDE HSPRING LIFE

4,000 C YCLES

GUIDE JSPRING LIFE

8,000 C YCLES

GUIDE KSPRING LIFE

12,000 C YCLES


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Page 9

AISI TYPE 301 STAINLESS STEELVIEW END DETAILS ON PAGE 21



GUIDE LSPRING LIFE

25,000 C YCLES

GUIDE MSPRING LIFE

50,000 C YCLES

GUIDE NSPRING LIFE100,000 C YCLES


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Page 10

STOCK CONSTANT FORCE SPRINGS

S E R I E S

L S

P R I N G L

I F E

2 5 , 0 0 0 C Y C L E S

SL4D18 .004” .250” 18” .23 lb .53” .62” 1-.130SL5E18 .005” .312” 18” .36 lb .69” .78” 1-.130

SL5F25 .005” .375” 25” .43 lb .65” .78” 1-.130

SL6F25 .006” .375” 25” .52 lb .70” .90” 1-.196

SL6G25 .006” .500” 25” .70 lb .80” .92” 1-.196

SL8G33 .008” .500” 33” .93 lb 1.07” 1.23” 1-.196

SL10J35 .010” .625” 35” 1.46 lb 1.36” 1.53” 1-.196

SL12K45 .012” .750” 45” 2.09 lb 1.60” 1.82” 1-.196

SL12P45 .012” 1.00” 45” 2.80 lb 1.60” 1.84” 1-.196

SL15P48 .015” 1.00” 48” 3.50 lb 1.96” 2.20” 1-.196

SL15R48 .015” 1.25” 48” 4.37 lb 2.03” 2.29” 1-.196

SL16P46 .016” 1.00” 46” 4.10 lb 1.96” 2.21” 1-.196

SL20R55 .020” 1.25” 55” 5.83 lb 2.53” 2.82” 1-.196

SL25S60 .025” 1.50” 60” 8.40 lb 3.35” 3.70” 2-.265

SL25U60 .025” 2.00” 60” 11.70 lb 3.37” 3.68” 2-.265

SL31U70 .031” 2.00” 70” 14.40 lb 4.35” 4.74” 2-.265

S E R I E S

H S

P R I N G L

I F E

4 , 0 0 0 C Y C L E S

Part # Thickness Width LengthLoad

+/- 10%

I.D.

+/- 10%

O.D.

+/- 10%End Holes

SH3C12 .003” .187” 12” .37 lb .21” .30” 1-.096SH4C15 .004” .187” 15” .49 lb .29” .40” 1-.096

SH4D15 .004” .250” 15” .66 lb .25” .40” 1-.130

SH4E15 .004” .312” 15” .83 lb .28” .40” 1-.130

SH5E17 .005” .312” 17” 1.03 lb .37” .50” 1-.130

SH6F24 .006” .375” 24” 1.48 lb .45” .62” 1-.196

SH6G25 .006” .500” 25” 1.97 lb .45” .65” 1-.196

SH8G30 .008” .500” 30” 2.63 lb .59” .82” 1-.196

SH8J30 .008” .625” 30” 3.29 lb .61” .83” 1-.196

SH8K24 .009” .750” 24” 4.00 lb .62” .82” 1-.196

SH10J33 .010” .625” 33” 4.12 lb .73” .99” 1-.196

SH10K33 .010” .750” 33” 4.95 lb .71” .97” 1-.196

SH12K39 .012” .750” 39” 5.94 lb .88” 1.19” 1-.196

SH12P39 .012” 1.00” 39” 7.92 lb .88” 1.20” 1-.196

SH16P40 .016” 1.00” 40” 10.60 lb 1.20” 1.52” 1-.196

SH20R50 .020” 1.25” 50” 16.50 lb 1.47” 1.89” 1-.196

SH25S52 .025” 1.50” 52” 24.80 lb 1.77” 2.23” 2-.265

SH25U52 .025” 2.00” 52” 33.00 lb 1.78” 2.22” 2-.265

SH31U60 .031” 2.00” 60” 40.90 lb 2.50” 3.03” 2-.265

Evry cotat forcr roc

to rov a cfcforc whch xrtthroh t fllxto. Th forc cotat a lo ath ra rmacotat.

I lor r thcha ra, to amtrbl-, ca thr to cra

forc lhtly a t xt.

Cotat forc rlvr mor forcr o of matraltha ravty vc.

TO ORDER VISIT WWW.VULCANEXPRESS.COMTh Vlca Sr a Mafactr Exr Ol Stor rov a a covcto or commrcal ctomr. Sr a cfcato ar bjct to cha.

SH6G25

SH12K39

SL6G25


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Page 11

SINGLE MOUNTING

MULTIPLE MOUNTING

Looped & WeldedScallop EndHook End Eyelet or RivetZ Bend

Tandem - th cofrato o ot a tablty

Cavity - Low cot, bt frcto a lmt factor

Laminar - Offr m of forc a lmt ac

Back to Back - Mot tabl mot

Spool Mounting - a commo mtho

MOUNTING METHODS

NOTE: No torq may b obta from th tora ool of th r. For al orato, th amtr of thool hol b 15-20% ratr tha omal r I.D.

Forc th m of two or mor r.

NOTE FOR ALL CONSTANT FORCE SPRINGS

1. Ilr lly hol ot b bca lf

rc by a mch a at ach lly.

2. Backb troy a cotat forc r.

SAMPLE END DETAILS

1

2


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Page 12

MOTOR BRUSH & TWIN SPRING DESIGN1. Select material - Ty 301 tal tl rfrr.

Scal matral ar rqr f crrt to b carr throh th r.

2. Establish the force - Th forc of th r hol b qal to th r forc rqr to obta th r

brh rr. Normal r tolrac ± 10%.

3. Determine the space - For ay v forc thr ar vral combao of r thck a wth thatca b . Slct th o that bt t th ac.

4. Calculate the total length - Icl two fll tr xtra wh th r flly xt, ba o th lth

of th brh wh w.

1. Constant pressure for the lifeof the brush

a. Elmat rr ajtmtb. Icra brh lf

c. Rc lctrcal war

2. Compact design

a. Allow lor brh

b. Prmt a mallr motor O.D.

c. Allow larr commtator

PIN MOUNTING

Not-Recommended

BENEFITS

Symbols used in Design Guide:

t = matral thck (mm) ID = col amtr (mm) ± 10%



t = matral thck (ch) ID = col amtr (ch) ± 10%

b = matral wth (ch) P = forc (Po) normal force tolerance ± 10%


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5. Choose the conguraon that ts your applicaon best.

a. Straht xto r - A l r

b. Lamat r - Two or mor r, trwo. Th allow a cra loa a mall ac.

c. Tw col r - For maxmm brh lth a obl th loa of a l r. Th form allow

maxmm commtator amtr a mmm ovrall motor amtr.

6. Allow clearance for spring cross-curvature which varies with spring width.

Start at t m th thck of th r. S th rahc blow...


t = matral thck (mm) ID = col amtr (mm) ± 10%



t = matral thck (ch) ID = col amtr (ch) ± 10%b = matral wth (ch) P = forc (Po) normal force tolerance ± 10%


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Page 14

CONTORQUE® SPRING DESIGN

A cotat torq r a cally tr cotat forc r travl btw two ool. Thr tor o a tora ool a rvr wo oto a ott ool. Wh rla, torq obta from th ott ool a th r rtr to t atral crvatr o th tora ool. Thr o ot to b aach to th tora ool. Th rca b ho a cavty, lma th for a tora ool.Howvr, frco th troc a ca cha th torqrqrmt.

Th torq roc by a cotat torq r wll cra lhtlyovr may tr. Cotat torq, or v av torq, aloobl. Nav rat a mch a 50% ca b achv crta alcao.

Wh cor th of a cotat torq r t hhlyrcomm that yo ak wth a Vlca r a workthroh varo aramtr. Howvr, t obl to makom al calclao by follow th t crbblow.

Th follow aramtr trm th : matral, wth,thck, lth, ool amtr, a th atral amtr of thr.

Th follow a cl a fw r-r to mlfyth tak of th r. These tables should be used only asa guide and are not a list of stock springs. S avalabl tock r th tabl blow.

Vlca Sr work wth or clt at varo ta of thrroct vlomt roc wth DFM (D For Mafactr)rcl. W wll hl yo lz taar tl z a omal mafactr tchq to or th

bt r obl at th lowt cot.


Part

Number

Torque

± 10%

Thickness

(t)

Width(b)

Length TurnsID

± 10%

Storage

Drum(Ds)

Output

Drum(Do)

Center to

Center

(s)

Inner

End

Detail*

SV3D48 0.18 -lb 0.003” 0.250” 48” 20 0.30” 0.35” 0.61” 0.65” 4

SV4D64 0.33 -lb 0.004” 0.250” 64” 20 0.41” 0.47” 0.81” 0.90” 4

SV6D96 0.75 -lb 0.006” 0.250” 96” 20 0.61” 0.70” 1.22” 1.30” 4

SV4G64 0.67 -lb 0.004” 0.500” 64” 20 0.41” 0.47” 0.81” 0.90” 5

SV6G96 1.50 -lb 0.006” 0.500” 96” 20 0.61” 0.70” 1.22” 1.30” 5

SV10G160 4.17 -lb 0.010” 0.500” 160” 20 1.01” 1.17” 2.02” 2.25” 5

SV12J192 7.50 -lb 0.012” 0.625” 192” 20 1.22” 1.40” 2.43” 2.60” 5

*S a 20 for tal raw a cfcato.

Sr ar roll a h rvr. Torq ± 10% at 10 tr. Rcomm ool z. Sool ot cl.Th tabl to qckly choo a at orr a cotat torq r a a aml or rototy.

TO ORDER VISIT WWW.VULCANEXPRESS.COMTh Vlca Sr a Mafactr Exr Ol Stor rov a a covc to or commrcalctomr. Sr a cfcato ar bjct to cha.


15/28

Page 15

Review the tables in this guide to assist you with the following design parameters:

1. Select material - Mot of th at tl r that Vlca Sr roc ar ma from Ty 301 StalStl. Th matral raly avalabl a rctabl. A Vlca Er ca at choo a taarz to xt th roc. Othr matral w hav to mafactr cotat forc r cl hhcarbo tl, Icol a Elloy.

2. Esmate the life – Th lf of a cotat torq r vry rctabl, mak t o of th mot mortatcorao. Th mt b ralc howvr, c ma a hh lf cycl ca la to a larr,mor xv art whl rma th lf cycl ca la to rmatr falr. Th D G hachart that ra from 4,000 to 50,000 lf cycl. If a hh lf cycl , corao hav to bma for cra tolrac of th r’amtr a forc to th low tr lvla lht varac matral.

3. Establish the torque – Th torq of thr hol b qal to th rqrmt ofth alcao. Staar tolrac for thforc of cotat torq r ± 10%.

4. Determine the space – Wh rvw thchart th D G t wll bcomobvo that thr ar vral thck awth combao that ca b to cratth am torq. Th amtr (I.D.) ofth r t o th thck, lfcycl a torq rqr. Ovrall lth a aoal factor that th otamtr (O.D.) Th taar tolrac for thI.D. a O.D. ± 10%. Sac rqrmtmt alo cor th flly wo otamtr of th tora a ott ool awll a th tac btw th ool.

5. Calculate the total length – Th total lthof th r hol tak accot th actalmbr of tr of th r o th ott ool l at lat oh matral tok 1- tr o th r wh t flly rotat. Th formla for trm

lth a follow:L=π N (Do +Nt) +10 Do

Th abov formla tak to accot: amtr bl, mbr of rvolo rqr (N), thck ofmatral (t) a ott ool amtr (Do).

6. Select the end detail – Th tal wll coct th r to th ott ool. Draw o a 10 a 11how om that ar avalabl. Scal may b obta for a aoal char.

7. Calculate the minimum spool spacing – Th tac btw ool ctr (mo “S”) mt b ratrtha th ra of th r wh flly wo o th tora ool, PLUS th ra of th r wh fllywo o th ott ool.

8. Consider the environment – Corrov atmohr or xtrm tmratr wll act a r’rformac. A Vlca r ca at th tao whch o ca b ar wth altrat

matral choc.

9. Finalize the design – Oc all of th abov crtra hav b rvw, a th r ca b locat orxtraolat from th chart, a r art mbr ca b troc. Vlca’ ytm qt aywh a art mbr to . B awar howvr, that a art mbr o ot cl th tal, ck lth or ay othr cal rqrmt. Th art mbr th follow:

a. Th lr from th lct lf tablb. Th thck of th r mlc. Th lr co of th wth of th r

(tak from th chart). Th ovrall lth ch

Drawing is of a Hinge Spring

Example: Contorque Spring #V5D46 species Type 301stainless steel, 4,000 cycle, .005” thick, /” wide, and 46”long, producing a torque of .52 inch-pounds for 12 outputturns, when mounted on a .58” diameter storage spooland a 1.01” diameter output spool.


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Page 16

CONTORQUE® SPRING DESIGN GUIDE


b = matral wth (ch) Do = ott ool amtr (ch)

= tac btw ool ax D = tora ool amtr (ch)

GUIDE VSPRING LIFE

4,000 C YCLES

GUIDE WSPRING LIFE

8,000 C YCLES

GUIDE XSPRING LIFE

12,000 C YCLES


17/28

Page 17

AISI TYPE 301 STAINLESS STEEL

Mulple Contorque® Motor AssemblySingle Contorque® Motor Assembly

VIEW END DETAILS ON PAGE 20


b = matral wth (ch) Do = ott ool amtr (ch)

= tac btw ool ax D = tora ool amtr (ch)

GUIDE YSPRING LIFE

25,000 C YCLES

GUIDE ZSPRING LIFE

50,000 C YCLES


18/28

Page 18

CONTORQUE® SPRING DESIGN GUIDE - METRIC


b = matral wth (mm) Do = ott ool amtr (mm)

= tac btw ool ax D = tora ool amtr (mm)

GUIDE VSPRING LIFE

4,000 C YCLES

GUIDE WSPRING LIFE

8,000 C YCLES

GUIDE XSPRING LIFE

12,000 C YCLES


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AISI TYPE 301 STAINLESS STEELVIEW END DETAILS ON PAGES 21


b = matral wth (mm) Do = ott ool amtr (mm)

= tac btw ool ax D = tora ool amtr (mm)

GUIDE YSPRING LIFE

25,000 C YCLES

GUIDE ZSPRING LIFE

50,000 C YCLES

Single Spring Motor


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Page 20

COMMONLY USED END DETAILS

Vlca Sr ha may taar to crat th tal cary. Th ma how a fw

commoly tal that ar avalabl. Scal ca b ma o rqt.


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Page 21

METRIC MEASUREMENTS


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Page 22

CONPOWER® AND POWER SPRING DESIGN

Coowr® a owr r, alo kow a clock r, ar form by w a tr

of matral o a arbor a to a ca or rta r to crat a comact owr orc.

Rotaoal torq obta from a ctr arbor or from th ca. Th torq cra

throhot th total w of th r.

CONPOWER® VS POWER SPRINGS

Coowr® r r from covoal owr r bca thy ar r-tr to

roc a ar torq rat. I ao, thy ca b to cra th mbr of

tr a ca of a v amtr.

Both Coowr® a covoal owr r rov rotaoal ry from thr th

arbor or th ca, or lar moo wth th of a lly or cabl.


D crtra for both ty of owr r ar th am. Th co to a

covoal owr r or Coowr® r ba o th alcao. Imortat

corao for a mafactr owr r cl:

1. Arbor z (see A in diagram on next page)

2. I amtr (I.D.) of ca (see B in diagram on next page)

3. Avalabl ca wth (see C in diagram on next page)

4. Tr rqr

5. Torq rqr6. Locao (a tolrac) of ctr y/tab

7. Lf cycl rqrmt total mat

8. Evromt whch th owr r wll b

9. Mo rqrmt for ca a arbor.

PRODUCTS AND APPLICATIONS THAT USE POWER SPRINGS

Coowr® a owr r ar al for a w varty of whr mooth rtr a

rtrv, cotrbalac a to ar rqr.

Proct that owr r may cl: cor rtractor, cotrbalac,

w- toy a am, mr, a lctrcal a mchacal rl.


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Page 23

Part Number TypeTorque

(in-lbs)

Arbor Size

(inches)

Number

of Turns

Case I.D.

(inches)

Width

(inches)

SCP4G202VS Coowr® 0.41 0.250 44.00 1.50 0.500

SCP7.5D50VS Coowr® 0.73 0.250 11.50 1.00 0.250

SCP6G135VS Coowr® 0.93 0.250 30.00 1.50 0.500

SCP8G108VS Coowr® 1.65 0.250 22.00 1.50 0.500

SCP10G81VS Coowr® 2.58 0.250 17.00 1.50 0.500

SCP18D162VS Coowr® 4.20 0.625 14.00 2.80 0.250

SCP13G59VS Coowr® 4.32 0.250 11.50 1.50 0.500

SPS16F77VS Powr 4.50 0.250 12.00 1.80 0.375

SPS20F65VS Powr 7.00 0.250 9.00 1.80 0.375

SCP18G198VS Coowr® 8.30 0.625 16.50 3.00 0.500

Th tabl to qckly choo a at orr a owr r a

a aml or rototy. For th rao thr ar crta cfcato whch ar

cotroll. Th cl, bt ot lmt to, th locato of th r tab of

th r.

It rcomm that yo cotact o of or r at 215-721-1721

to c th cfcato that ar rqr for a cfc rojct. Pla hal

th r carflly a thy ar r tr a ca ca jry.

TO ORDER VISIT WWW.VULCANEXPRESS.COM

Th Vlca Sr a Mafactr Exr Ol Stor rov a acovc to or commrcal ctomr. Sr a cfcato ar bjct

to cha.

STOCK CONPOWER® & POWER SPRINGS


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Page 24

SPIRAL TORSION SPRINGS

Sral toro r ar roc from at tl a ar charactrz by thr col, whch tycally o ot toch

r orao.

A ral toro r wll xrt a rotaoal torq, ally throh 360° rotao or l. Th torq crv lar to th r of rotao.

Th r of th r tycally bt to aach to a arbor

or hb. Th otr th aach to th objct that

rota or lz th torq of th r.

Vlca’ hhly qal r ar abl to rvw th

crrt or work wth a clt to achv th bt obl

olo. Hh mafactr roc r fat m

to markt at a raoabl rc.

APPLICATIONS AND USES

Sral toro r ar brh

motor a crta alcao whr a

hort rotao rqr. Itr that

th r cl:

1. Elctrc Motor

2. Itral Tool

3. Atomov & Traortao

4. Mcal Dvc a Halthcar

MANUFACTURING PROCESS

Vlca Sr lz hhly ctomz roco qmt, la mafactr tchq a rcl,

a ISO 9001:2008 cr rocr to rov or ctomr wth a traml a ct mafactrroc to roc ral toro r.

Bt of work wth Vlca Sr cl rc la m, hh qalty cotrol a hhly comv cot.


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Page 25

Th calty cotrbalac roct rov th rfct amot of forc

for both ay-o a clo of ovrha oor. Major bvra trck

mafactrr th USA Vlca Sr’ cotrbalac. W ar alo

th la armarkt cotrbalac mafactrr.

CUSTOM COUNTERBALANCESA comltly ctomz olo, trck oor cotrbalac ar

mafactr to th xact ccao for ach bvra trck mafactrr

a rfrbhr.

TECHNICAL CONSIDERATIONS

TRUCK DOOR COUNTERBALANCE SPRINGS

AVAILABLE SIZES

INNER OUTER

29 ” 20”

37 ” 30”

39 ” 30”

41 ” 30”

44 ” 30”

49 ” 30”

53 ” 45”

65 ” 55”

69 ” 55”

85 ” 75”

DOUBLE SPRING

85 ” 75”Image is shown as a cut-away view, displaying the inside of a counterbalance.

Cotrbalac for trck oor ar avalabl z from 29” to 85”.

Features include:

1. Hal to 85 lb. of forc

2. Staar for mot O.E.M. or rtrot

alcao

3. Zc lat tb

4. Hht qalty .120” or .135” amtr

r wr

5. Rtroof bar

Cotact Vlca Sr at 215-721-1721 for

frthr atac wth bvra trck oor

cotrbalac.


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Page 26

1. Proco Facl cl:

a. Lama

b. Ambly oto ool

c. Rv

. Sot wl

. Lar rf. Slk cr (r)

. Stam

2. Part Icao - Avalabl wh rqr:

a. Color co

b. Elctro chmcal tch

c. D tam

. Lar rav

Variable Force Power Spring

Printed Springs Spring with Laminate

Slot Closer Reels

3. Scal acka

4. Atomac roco cotrol a qmt

5. Comlt tool mafactr facl

6. Srfac coa & lamat

7. Prototy caabl8. SPC rort avalabl

9. Crcao a rqr

10. D coltao

Th facl abl to a bl or ow

tool a mach a allow mor xblty for th

Vlca ctomr.

D r ar coally way to

rt cotat forc a cotat torq r

thr rojct. Th rmarly bca th r

rov a vry accrat, abl a coomcal

form of tal raot or othr val cao. A

ml coct lz th motor form of th r to

ra ot a wll a to rov to o a cor aach

to th mov objct.

Vlca ha comlt tmratr a hmty co-

troll facl for rfac coa.

A aral lt of coa cl:

a. Ahv-back lamat

b. Pa

c. Dry lm lbrcat

. Ol

SERVICES OF VULCAN SPRING


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OTHER PRODUCTS OFFERED

V-Sr lvr abl varabl forc to rcly

match cra or cra forc rqrmt. A

ach roct rmov, th v-r rc forc,

v a mmal h wh a lay arly mty.

V-Spring

Varabl forc r, alo

kow a varabl to

r.

Sml, vral a cot cv - Vlca’ lf

col lac croll ar th al ytm for cra

aracv lay that qckly commcat a varty of

ma. Vlca mafactr lac croll to xact

ccao, wth to 6” a lth to 30”.

Vral, r a abl, th Pllbox® l

of rtractabl tthr t th taar for rov

rformac a ctomzabl oo. Pllbox® ar

for ot of rcha crty, roct oo,

qmt cotrbalac, wr har oo

lctroc qmt, roct f, a a

ort. Th rov Vlca’ cotat

forc r tcholoy to rov cotat, rlabl

to at a varty of forc.

Th VS-1 th al roct oo olo. It

ca b mot o th or ot of a lay aa fcoal a athc comot of a cv

ot of rcha rtao. Wth v r

color avalabl, th VS-1 bl wth ay lay to

crat a ov ctomr xrc. It ca wvl

for 360° rotao a crw or b mot

obl- ta.

Th MVS lhtly larr tha a qartr yt cota

to 36” of ylo-covr tl cabl. Th MVS’

w cabl lot allow for maxmm xblty

a ay rcol. Th ball accommoat

a w ra of avalabl fatr, cra th

tthr’ vralty a mlfy tallao.

Plasc Scrolls

Prt wth mbr or

lr whch rov th

r wth formao.

Pullbox®

L of ctommafactr rtal lay

crty tthr, kow a

rcolr & cabl rtractor

VS-1

Comact, aracv way to

lvr th-trrc &

covc.

MiniVS

Comact crty cabl

rtractor for oommal lvl of crty.


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THE SOURCE FOR CONSTANT FORCE SPRINGS

Advanced Manufacturing TechniquesAt Vlca, w ar totally volv cotat forc r tcholoy. W a atomat or

mafactr mach. W mata a r ytm of chck ot to motor crcal ta of roco.

W roly rvw a morz or mafactr a qalty cotrol rocr. Th foc a

ao to tal ar vry ctomr th mot cott a hht qalty roct avalabl

toay, all at a raoabl cot.

Design AssistanceEvryo at Vlca comm to mak r yo t th bt obl r for yor cc .

To o th, w or yo or atac lc th bt matral a mafactr rocr. For

omm , w rcomm that yo cotact a rqt th rvc of or r a arly a

obl yor rojct.

DeliveryFat a abl! ... for all roco orr a wll a rototy. W hav b comlmt may

m for mata th oo b racc of k or rom lvry at. Yo ca o

Vlca Sr.

VULCAN SPRINGS WORK!

501 Schoolhouse Road, Telford, PA 18969 USA

Telephone +1 215-721-1721 | Fax 215-721-1739

sales@vulcanspring com | www vulcanspring com

Spring Design Guide Web

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