SHEET METAL DESIGN DOCUMENT

Sheet Metal Design Guidelines F eatur es L ist F o x c o nn c _ r ev HON HAI PRECISION ENCLOSURE GROUP ⃊ ᲻ SUB J ECT : Sh e e t M e t a l D e s i g n Gu i d e l i n e s ᄆ ↅ ɗ ૎ PAGE D OCUM ENT NO : -0 0 O F R EV Note: T h i s d oc u m en t i s u n d er d ev el op m en t b etw een HO N HA I a n d C i s c o M ec h a n i c a l G u i d el i n es a n d C en tr a l D F M tea m m em b er s T h e d oc u m en t w i l l b e p u b l i s h ed i n th e C i s c o M ec h a n i c a l P r od u c a b i l i ty G u i d el i n es w eb s i te, m a n a g ed b y C h r i s ti n e Nol a n B r a d y T h i s d oc u m en t i s ow n ed b y HO N HA I , n ot of f i c i a l l y a p p r ov ed b y C i s c o, a n d s h ou l d b e u s ed f or r ef er en c e on l y , b y i n ter n a l C i s c o E n g i n eer i n g a n d M a n u f a c tu r i n g 5/ 30 / 20 F O X C O N N C o nf idential Sheet Metal Design Guidelines F eatur es L ist F o x c o nn c _ r ev 21 21 20 19 02 18 17 16 15 07 12 22 05 01 23 14 24 13 25 01 26 27 12 28 07 11 01 02 03 04 05 06 07 08 01 09 10 THE MOST COMMONLY SHEET METAL FEATURES: No.| FEATU RE NAME Cu t ou t f eatu r es No.| FEATU RE NAME No.| FEATU RE NAME 01 HO LE 05 RELIEF 09 NO TCH 04 CU RL 06 O FFS ET BENDS 03 EXTRU DE FO RM 07 EMBO S S 08 CO INING EDGE 16 HALF-S HEARING 17 RAIS ED LETTER ICO N 18 DIMP LE 11 P ERFO RATED 13 CO U NTERS INK 21 CO RNER Bendi ng f eatu r es 02 BEND 10 HEM 20 TAB 28 U -BEND For m ed f eatu r es 12 LANCE FO RM 19 S TAMP ING ICO NS 24 EXTRU DED HO LE 27 S P O O N 14 HO O K FEATU RE 22 CARD GU IDE FO RM 25 THREAD FO RM 15 RIB 23 RO U ND HEM 26 GU S S ET Notes (f or thi s Desi g n Gu i del i ne sp ec i f i c ati on): The m ater i al i s l ow c ar bon steel ; The standar d m ater i al thi c k ness r ang i ng f r om 030” to 059”; 5/ 30 / 20 F O X C O N N C o nf idential Sheet Metal Design Guidelines H o le F o x c o nn c _ r ev TI TLE: HOLE & SLOT ( P UNCH) ( #0 ) DESCRI P TI ON: A c u t i n the m i ddl e of the sheet m etal su r f ac e i s c al l ed a Hol e DESI GN GUI DELI NE: The m i ni m u m di am eter of a hol e (or wi dth of a sl ot) shou l d be eq u al to 1.2 ti m es m ater i al thi c k ness p l u s 008”, or 048”, whi c hev er i s g r eater HOLE D (m i ni m u m ) = 1.2x T + 008“, or 048“, whi c hev er i s g r eater Rec o m m en ded GUI DELI NES FOR 3D GEOMETRY: 3D m odel shou l d i nc l u de the hol e di am eter , l eng th and wi dth of the sl ot 5/ 30 / 20 F O X C O N N C o nf idential Sheet Metal Design Guidelines H o le F o x c o nn c _ r ev FEATURE P OSI TI ON Ho l e t o Ho l e Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (G) between hol es i s di r ec tl y p r op or ti onal to the si z e and shap e of the hol es and the m ater i al thi c k ness Bu t the m i ni m u m di stanc e between c i r c u l ar hol es i s 1.2 ti m es m ater i al thi c k ness Ho l e t o Edg e Des i g n Gu i del i n e: The m i ni m u m di stanc e (G) between a hol e and the edg e of the m ater i al m u st be m ntai ned The m i ni m u m r ec om m ended di stanc e between the hol e and the edg e i s di r ec tl y p r op or ti onal to the si z e and shap e of the hol e and the m ater i al thi c k ness Fea t u r e P o s i t i o n D: Di am eter or m i ni m u m di m ensi on of sl ot L: Leng th of sl ot T: Mater i al Thi c k ness G: m i ni m u m Di stanc e di m ensi on When L i s T to 10T then m i ni m u m G = 2T When L i s 10T to 25T then m i ni m u m G = 4T When L i s ov er 25T then m i ni m u m G = 6T Rec o m m en ded 5/ 30 / 20 F O X C O N N C o nf idential Sheet Metal Design Guidelines H o le F o x c o nn c _ r ev Ho l e t o Ben d Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D2) between the edg e of a hol e to a bend i s two ti m es the m ater i al thi c k ness p l u s the r adi u s of the bend Sl o t t o Ben d Des i g n Gu i del i n e: The m i ni m u m di stanc e (D3) f r om the i nsi de su r f ac e of a bend to the edg e of a sl ot i s di r ec tl y p r op or ti onal to the l eng th of the sl ot, m ater i al thi c k ness and the r adi u s of the bend Ho l e t o Fo r m Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D4) f r om the f or m i s thr ee ti m es the m ater i al thi c k ness p l u s the f or m r adi u s the edg e of a hol e to the base of Ho l e t h r o u g h a Ben d Des i g n Gu i del i n e: When a hol e g oes thr ou g h a bend, the l eadi ng edg es of the hol e shou l d ex tend a m i ni m u m di stanc e (D5) bey ond (or both si des of ) the bend Thi s m i ni m u m di stanc e shou l d be two ti m es the m ater i al thi c k ness or the thi c k ness of m ater i al p l u s the r adi u s of a bend, whi c hev er i s g r eater Fea t u r e P o s i t i o n D2 (m i ni m u m ) = 2T + R1 When R1 = 2.0” then D3 (m i n) = 3.5T + R1 When R1 > 118” and L i s l ess than 20T then D3 (m i n) = 3.5T + R1 L i s ov er 20T then D3 (m i n) = 6T + R1 D4 (m i ni m u m ) = 3T + R2 D5 (m i ni m u m ) = 2T or T + R1, whi c hev er i s g r eater Rec o m m en ded 5/ 30 / 20 F O X C O N N C o nf idential Sheet Metal Design Guidelines R elief F o x c o nn c _ r ev TI TLE: RELI EF ( #0 ) DESCRI P TI ON: When a bend does not ex tend the enti r e l eng th of a p ar t, or a f or m i s c l ose to other sheet m etal f eatu r es, the r el i ef c an hel p c ontr ol the sheet m etal m ater i al behav i or and p r ev ents u nwanted def or m ati on The r ec om m ended r el i ef ty p e i s r ec tang u l ar The obr ou nd ty p e r el i ef i s p r ef er r ed (H/ T) DESI GN GUI DELI NE: The m i ni m u m dep th of a bend r el i ef (D) i s eq u al to the m ater i al thi c k ness p l u s the r adi u s of a bend The m i ni m u m wi dth (W) of a bend r el i ef i s eq u al to 1.5 ti m es m ater i al thi c k ness or 0.059” (1.50m m ), whi c hev er i s g r eater RELI EF W (m i ni m u m ) = 1.5X T or 059”, whi c hev er i s g r eater ; D (m i ni m u m ) = T + R Rec o m m en ded Tear ty p e r el i ef No t Rec o m m en ded GUI DELI NES FOR 3D GEOMETRY: 3D shou l d c l ear l y show f ol l owi ng i nf or m ati on: r el i ef wi dth (W), r el i ef l eng th (D) 5/ 30 / 20 F O X C O N N C o nf idential Sheet Metal Design Guidelines R elief F o x c o nn c _ r ev FEATURE P OSI TI ON Rel i ef t o Ben d Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e between a r el i ef and a bend f ol l ows the r u l es of a hol e to a bend The m i ni m u m r ec om m ended di stanc e (D) i s thr ee ti m es the m ater i al thi c k ness Fea t u r e P o s i t i o n Mak e the r el i ev es to g o thr ou g h the bend i f D(m i ni m u m ) i s l ess than 3T Rec o m m en ded 5/ 30 / 20 D(m i ni m u m ) < 3T No t Rec o m m en ded F O X C O N N C o nf idential Sheet Metal Design Guidelines N o tc h F o x c o nn c _ r ev TI TLE: NOTCH ( #0 ) DESCRI P TI ON: An i ntr u si on or c u t i nto the edg e of the sheet m etal i s c al l ed a Notc h DESI GN GUI DELI NE: The m i ni m u m p r ef er r ed wi dth of a notc h i s 060” or 1.5 ti m es the m ater i al thi c k ness whi c hev er i s g r eater Ty p i c al notc h l eng th c an be u p to f i v e ti m es the wi dth, when p u nc hed at the m i ni m u m wi dth di m ensi on NOTCH W (m i ni m u m ) = 1.5x T or 060” whi c hev er i s g r eater Rec o m m en ded W(m i ni m u m ) < 1.5x T No t Rec o m m en ded GUI DELI NES FOR 3D GEOMETRY: 3D shou l d c l ear l y show f ol l owi ng i nf or m ati on: notc h wi dth (W) 5/ 30 / 20 F O X C O N N C o nf idential Sheet Metal Design Guidelines N o tc h F o x c o nn c _ r ev FEATURE P OSI TI ON No t c h t o No t c h Des i g n Gu i del i n e: The m i ni m u m ti m es the m ater i al thi c k ness r ec om m ended di stanc e (D1) between notc hes i s two No t c h t o Ho l e o r Cu t o u t Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D2) m u st be m ntai ned between a hol e and edg e of a notc h The m i ni m u m r ec om m ended di stanc e i s 1.2 ti m es the m ater i al thi c k ness No t c h t o Ben d Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D3) f r om the i nsi de su r f ac e of the bend to the edg e of a notc h shou l d f ol l ow r ec om m endati on f or sl ot to bend on p ag e No t c h t h r o Des i g n Gu notc h shou of m ater i al u g h a Ben d i del i n e: When a notc h g oes thr ou g h a bend, the bottom or si de edg es of the l d ex tend a m i ni m u m di stanc e (D4) bey ond the bend, eq u al to the thi c k ness p l u s the bend r adi u s Fea t u r e P o s i t i o n L: sl ot l eng th D1 (m i ni m u m ) = 2T D2 (m i ni m u m ) = 1.5T When L i s l ess than 1.0” then D3 (m i ni m u m ) = 2.5T + R When L i s 1.0” to 2.0” then D3 (m i ni m u m ) = 3T + R When L i s ov er 2.0” then D3 (m i ni m u m ) = 3.5T + R D4 (m i ni m u m ) = T + R or 2T, whi c hev er i s g r eater Rec o m m en ded 5/ 30 / 20 F O X C O N N C o nf idential Sheet Metal Design Guidelines P er f o r ated m etal F o x c o nn c _ r ev TI TLE: P ERFORATED METAL ( #1 ) DESCRI P TI ON: A p atter n wi th hol es on sheet m etal su r f ac e i s c al l ed p er f or ated m etal DESI GN GUI DELI NE: The r ec om m ended m i ni m u m 1.2 ti m es the m ater i al thi c k ness di stanc e between the hol es i s eq u al to P ERFORATED HOLE D (m i ni m u m ) = 1.2 T Rec o m m en ded GUI DELI NES FOR 3D GEOMETRY: 3D m odel shou l d c ar e f or the di stanc e (D) between the hol es If f or r f l ow r eason the abov e r ec om m ended di m ensi on c annot be m et, one c an c onsi der the f ol l owi ng : For c osm eti c p er f or ated p ar t, sandwi c h an of f -the-shel f p er f or ated m ater i al between two sheet m etal p ar ts For non-c osm eti c p er f or ated p ar t, ac c ep t def or m ati on and/ or m ater i al br eak ag e 5/ 30 / 20 F O X C O N N C o nf idential 10 Sheet Metal Design Guidelines Stam p ing I c o ns F o x c o nn c _ r ev TI TLE: STAMP I NG I CONS ( #1 ) DESCRI P TI ON: A S tam p i ng i c ons i s u sed f or showi ng the p ar t nu m ber , l abel p osi ti on, di r ec ti on i c on or som e other i nf or m ati on on the sheet m etal su r f ac e DESI GN GUI DELI NE: The r ec om m ended dep th of a stam p i ng f eatu r e i s eq u al to 008”, the r ec om m ended wi dth of a stam p i ng i c on i s eq u al 008”; f or the tex t i c on (p ar t nu m ber ), the hei g ht of tex t i s eq u al to 118”; the wi dth-hei g ht r ati o of tex t i s 0.8 STAMP I NG I CON D (r ec om m ended) = 008” (REF) Rec o m m en ded GUI DELI NES FOR 3D GEOMETRY: 3D shou l d be c l ear l y i ndi c ated the tex t hei g ht and ap p r ox i m ate l oc ati on 5/ 30 / 20 F O X C O N N C o nf idential 53 Sheet Metal Design Guidelines Stam p ing I c o ns F o x c o nn c _ r ev FEATURE P OSI TI ON St a m p i n g I c o n t o Ben d Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D) f r om the i nsi de su r f ac e of a bend to the S tam p i ng Ic on i s eq u al to f ou r ti m es the m ater i al thi c k ness p l u s the r adi u s of a bend Fea t u r e P o s i t i o n D (m i ni m u m ) = 4T + R Rec o m m en ded 5/ 30 / 20 F O X C O N N C o nf idential 54 Sheet Metal Design Guidelines C ar d-guide-f o r m F o x c o nn c _ r ev TI TLE: CARD GUI DE FORM ( #2 ) DESCRI P TI ON: A Car d g u i de f or m p u r p ose of g u i di ng a sl i di ng c ar d DESI GN GUI DELI NE: The m ax i m u m S / T) The m i ni m u m i s a f or m on the sheet m etal su r f ac e that ser v e the l eng th of a c ar d g u i de f or m r ec om m ended op eni ng ang l e i s eq u al to 15 r i s eq u al to 5.00” (4.00” f or CARD GUI DE FORM A (m i ni m u m ) = 15 r L (m ax i m u m ) = 5.00” (4.00” f or S / T) Rec o m m en ded GUI DELI NES FOR 3D GEOMETRY: 3D shou l d c l ear l y i ndi c ate f ol l owi ng i nf or m ati on: Car d g u i de f or m op en ang l e (A), g u i de f or m l eng th (L), g u i de f or m bottom wi dth (W) 5/ 30 / 20 F O X C O N N C o nf idential 55 Sheet Metal Design Guidelines C ar d-guide-f o r m F o x c o nn c _ r ev FEATURE P OSI TI ON Ca r d g u i de f o r m t o Co u n t er s i n k Ho l e Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D1) f r om the m aj or di am eter of the c ou nter si nk hol e to the c ar d g u i de f or m i s f ou r ti m es the m ater i al thi c k ness Ca r d g u i de f o r m t o Ben d Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D2) f r om the f or m c enter l i ne i s f i v e ti m es the m ater i al thi c k ness p l u s the i nsi de r adi u s of the bend, (The di stanc e c an be r edu c ed i f addi ng r el i ef (sl ot) on the bend.) Fea t u r e P o s i t i o n D1 (m i ni m u m ) = 4T D2 (m i ni m u m ) = 5T + R Rec o m m en ded 5/ 30 / 20 F O X C O N N C o nf idential 56 Sheet Metal Design Guidelines R o und hem F o x c o nn c _ r ev TI TLE: ROUND HEM ( #2 3) DESCRI P TI ON: A r ou nd hem i s a c l osed hem hol e on the sheet m etal su r f ac e f eatu r e f or m ed ar ou nd the ex i sti ng edg e of a DESI GN GUI DELI NE: The m i ni m u m r ec om m ended l eng th of the r etu r n f l ang e i s eq u al to thr ee ti m es the m ater i al thi c k ness The m i ni m u m r ec om m ended wi dth of the hem g eom etr y i s eq u al to two ti m es l eng th of f l ang e p l u s thr ee ti m es the m ater i al thi c k ness The g eom etr y of thi s f eatu r e shou l d be obr ou nd ROUND HEM H (m i ni m W (m i ni m u m R = f u l l r ou Rec o m u m ) = 3T ) = 2H + 3T nd g eom etr y m en ded GUI DELI NES FOR 3D GEOMETRY: 3D shou l d c l ear l y i ndi c ate f ol l owi ng i nf or m ati on: Hem r etu r n f l ang e l eng th (H), g eom etr y wi dth (W), g eom etr y r adi u s (R) 5/ 30 / 20 F O X C O N N C o nf idential 57 Sheet Metal Design Guidelines R o und hem F o x c o nn c _ r ev FEATURE P OSI TI ON Ro u n d h em t o Ben d Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D1) f r om a bend i s thr ee ti m es the m ater i al thi c k ness the i nsi de su r f ac e of Ro u n d h em t o Edg e Des i g n Gu i del i n e: The m i ni m u m ti m es the m ater i al thi c k ness an edg e i s ei g ht r ec om m ended di stanc e (D2) f r om Ro u n d h em t o Sl o t Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D3) f r om a r ec tang u l ar hol e edg e i s di r ec tl y r el ated to the l eng th of the sl ot and the m ater i al thi c k ness Ro u n d h em t o Fo r m Des i g n Gu i del i n e: The m i ni m u m ti m es the m ater i al thi c k ness r ec om m ended di stanc e (D4) f r om the f or m i s ei g ht Fea t u r e P o s i t i o n D1 (m i ni m u m ) = 3T D2 (m i ni m u m ) = 8T When L i s l ess than 2.0“ then D3 (m i ni m u m ) = 8T When L i s ov er 2.0” then D3 (m i ni m u m ) = 12T D4 (m i ni m u m ) = 8T Rec o m m en ded 5/ 30 / 20 F O X C O N N C o nf idential 58 Sheet Metal Design Guidelines E x tr uded H o le F o x c o nn c _ r ev TI TLE: EX TRUDED HOLE ( #2 4) DESCRI P TI ON: Ex tr u di ng an ex i sti ng hol e or p i er c i ng and ex tr u di ng a hol e i n sheet m etal i s c al l ed an Ex tr u ded hol e DESI GN GUI DELI NE: The hol e di am eter of the ex tr u ded hol e i s based u p on sp ec i f i c desi g n r eq u i r em ents The m ax i m u m hei g ht of ex tr u ded hol e i s l ess than hal f of the hol e di am eter (as an ex am p l e, the m ax i m u m hei g ht f or M3 ex tr u ded hol e i s 059”) EX TRUDED HOLE H (m ax i m u m ) = M / (M i s thr eaded sp ec ) Rec o m m en ded GUI DELI NES FOR 3D GEOMETRY: 3D shou l d c l ear l y i ndi c ate f ol l owi ng i nf or m ati on: ex tr u si on hei g ht (H), i nsi de di am eter (d), tap p i ng sp ec (M) 5/ 30 / 20 F O X C O N N C o nf idential 59 Sheet Metal Design Guidelines E x tr uded H o le F o x c o nn c _ r ev FEATURE P OSI TI ON Ex t r u ded h o l e t o Ex t r u ded h o l e Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D1) between two ex tr u ded hol es (f r om the m aj or di am eter of eac h ex tr u si on) i s f ou r ti m es the m ater i al thi c k ness Ex t r u ded h o l e t o Edg e Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D2) that the m aj or di am eter of an ex tr u ded hol e shou l d be f r om an edg e i s thr ee ti m es the m ater i al thi c k ness Ex t r u ded h o l e t o Ben d Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D3) that the m aj or di am eter of an ex tr u ded hol e shou l d be f r om a bend i s thr ee ti m es the m ater i al thi c k ness p l u s the bend r adi u s Ex t r u ded h o l e t o Ho l e Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D4) that the m aj or di am eter of an ex tr u ded hol e shou l d be f r om a hol e i s thr ee ti m es the m ater i al thi c k ness Fea t u r e P o s i t i o n D1 (m D2 (m D3 (m D4 (m 5/ 30 / 20 i ni m i ni m i ni m i ni m u m u m u m u m Rec )= )= )= )= o m 4T 3T 3T+ R 3T m en ded F O X C O N N C o nf idential 60 Sheet Metal Design Guidelines T hr ead f o r m F o x c o nn c _ r ev TI TLE: THREAD FORM ( #2 ) DESCRI P TI ON: A Thr ead f or m the sel f -tap p i ng sc r ew i s a swi r l dep r ess on an ex i sti ng hol e It al way s i s u sed f or DESI GN GUI DELI NE: Mak e a note f or the f eatu r e to show i ts sp ec THREAD FORM Rec o m m en ded GUI DELI NES FOR 3D GEOMETRY: 3D shou l d be c l ear l y i ndi c ated the f eatu r e by a thr ead f or m ; the g eom etr y c an be c r eated by a f or m to show the thr ead di r ec ti on 5/ 30 / 20 F O X C O N N C o nf idential 61 Sheet Metal Design Guidelines T hr ead f o r m F o x c o nn c _ r ev FEATURE P OSI TI ON Th r ea d f o r m t o Ben d Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D1) f r om the i nsi de su r f ac e of a bend to the m aj or di am eter of thr ead f or m i s eq u al to thr ee ti m es the m ater i al thi c k ness p l u s the bend r adi u s: Th r ea d f o r m t o Th r ea d f o r m Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D2) between two thr ead f or m s i s eq u al to f i v e ti m es the m ater i al thi c k ness Th r ea d f o r m t o Edg e Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D3) f r om thr ee ti m es the m ater i al thi c k ness an edg e i s eq u al to Th r ea d f o r m t o Ho l e Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D4) f r om two ti m es the m ater i al thi c k ness a hol e i s eq u al to Th r ea d f o r m t o Co u n t er s i n k Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D5) f r om of a c ou nter si nk i s eq u al to thr ee ti m es the m ater i al thi c k ness the m aj or di am eter Fea t u r e P o s i t i o n D1 (m D2 (m D3 (m D4 (m D5 (m Rec 5/ 30 / 20 i ni m i ni m i ni m i ni m i ni m o m u m u m u m u m u m m en ) = 3T + R ) = 5T ) = 3T ) = 2T ) = 3T ded F O X C O N N C o nf idential 62 Sheet Metal Design Guidelines Gusset F o x c o nn c _ r ev TI TLE: GUSSET ( #2 6) DESCRI P TI ON: A Gu sset i s a dep r essi on on the bend l i ne to ser v e f or sti f f eni ng a bend; DESI GN GUI DELI NE: The g u sset i s r el ated to the m ater i al , the m ater i al thi c k ness and g u sset r adi u s The g u sset c an be set by a standar d g eom etr y to ser v e f or the sti f f eni ng f u nc ti on GUSSET A1 (r ec om m ended) = 90 r W (m i ni m u m ) = 2T D (m ax i m u m ) = 2T A2 (r ec om m ended) = 45 r Rec o m m en ded GUI DELI NES FOR 3D GEOMETRY: 3D shou l d c l ear l y i ndi c ate f ol l owi ng i nf or m ati on: Gu sset dep th (D), Gu sset wi dth (W), Gu sset head ang l e (A1), Gu sset f or m ed ang l e (A2), Gu sset f or m l eng th (L) 5/ 30 / 20 F O X C O N N C o nf idential 63 Sheet Metal Design Guidelines Gusset F o x c o nn c _ r ev Ti p s f o r t h e Gu s s et f ea t u r e Des i g n Gu i del i n e: The Gu sset wi l l r esu l t i n di stor ti on of a hol e i f the hol e and the g u sset ar e i n-l i ne Rec om m end to of f set g u sset and hol e GUSSET D (r ec om m ended) = 3T Rec o m m en ded 5/ 30 / 20 Gu sset and a hol e ar e i n one l i ne No t Rec o m m en ded F O X C O N N C o nf idential 64 Sheet Metal Design Guidelines Gusset F o x c o nn c _ r ev FEATURE P OSI TI ON Gu s s et t o Ho l e Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D1) that a g u sset shou l d be f r om the edg e of a hol e i s: To a hol e (D1a): thr ee ti m es the m ater i al thi c k ness p l u s the r adi u s of the g u sset To a sl ot (D1b): f ou r ti m es the m ater i al thi c k ness p l u s the r adi u s of the g u sset Gu s s et t o Edg e Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D2) that a g u sset shou l d be f r om an edg e i s: In a p ar al l el p l ane (D2a): ten ti m es the m ater i al thi c k ness p l u s the i nsi de r adi u s of the g u sset In a p er p endi c u l ar p l ane (D2b): f ou r ti m es the m ater i al thi c k ness p l u s the i nsi de r adi u s of the g u sset Gu s s et t o Gu s s et Des i g n Gu i del i n e: the m i ni m u m r ec om m ended di stanc e (D3) between two g u ssets i s eq u al to ten ti m es the m ater i al thi c k ness p l u s the r adi u s of eac h g u sset Fea t u r e P o s i t i o n D1a (m D1b (m D2a (m D2b (m D3 (m i ni m 5/ 30 / 20 i ni m u m ) = 3T + W2/ i ni m u m ) = 4T + W1/ i ni m u m ) = 10T + W1/ i ni m u m ) = 4T + W1/ u m ) = 10T + W1/ + W2/ Rec o m m en ded F O X C O N N C o nf idential 65 Sheet Metal Design Guidelines Sp o o n F o x c o nn c _ r ev TI TLE: SP OON ( #2 7) DESCRI P TI ON: A sp oon i s a sp ec i al ty p e of op en l anc e f or m ed wi th a di m p l e on the u nattac hed si de A sp oon has a nar r ow nec k p ar t to ser v e the sp r i ng f u nc ti on when the di m p l e i s p r essed DESI GN GUI DELI NE: The m i ni m u m wi dth of the di m p l e f l ang e f r om ti m es the m ater i al thi c k ness, or 032”, whi c hev er i s g r eater the edg e i s eq u al to 0.8 SP OON S (m i ni m u m ) = 0.8T Rec o m m en ded GUI DELI NES FOR 3D GEOMETRY: 3D shou l d c l ear l y i ndi c ate f ol l owi ng i nf or m ati on: S p oon l eng th (L), S p oon nar r owest wi dth (W), S p oon hei g ht (H), S p oon f l ang e wi dth (S ) 5/ 30 / 20 F O X C O N N C o nf idential 66 Sheet Metal Design Guidelines Sp o o n F o x c o nn c _ r ev FEATURE P OSI TI ON Sp o o n t o Ben d Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D1) f r om a bend i s: In a p ar al l el di r ec ti on, the m i ni m u m di stanc e (D1a) i s eq u al to f ou r ti m es the m ater i al thi c k ness p l u s the r adi u s of the bend; In a p er p endi c u l ar di r ec ti on, the m i ni m u m di stanc e (D1b) i s eq u al to thr ee ti m es the m ater i al thi c k ness p l u s the r adi u s of the bend Sp o o n t o Sp o o n Des i g n Gu i del i n e: The m i ni m u m r ec om m ended di stanc e (D2) between the sp oons i s thr ee ti m es the m ater i al thi c k ness Fea t u r e P o s i t i o n D1a (m i ni m D1b (m i ni m D2 (m i ni m u Rec o m 5/ 30 / 20 u m u m m m ) = 4T + R ) = 3T + R ) = 3T en ded F O X C O N N C o nf idential 67 ... N C o nf idential Sheet Metal Design Guidelines P er f o r ated m etal F o x c o nn c _ r ev TI TLE: P ERFORATED METAL ( #1 ) DESCRI P TI ON: A p atter n wi th hol es on sheet m etal su r f... O N N C o nf idential Sheet Metal Design Guidelines N o tc h F o x c o nn c _ r ev TI TLE: NOTCH ( #0 ) DESCRI P TI ON: An i ntr u si on or c u t i nto the edg e of the sheet m etal i s c al... O N N C o nf idential Sheet Metal Design Guidelines H o le F o x c o nn c _ r ev TI TLE: HOLE & SLOT ( P UNCH) ( #0 ) DESCRI P TI ON: A c u t i n the m i ddl e of the sheet m etal su r f ac