Page 67 - Paker - Medium Duty Hydraulic Cylinders

Catalog HY08-1130-4/NA Medium Duty Hydraulic Cylinders
Common Modifications Series 3L Custom Modifications

Thrust Key Mountings
Thrust key mountings eliminate the need of using fitted
bolts or external keys on side mounted cylinders. Parker
cylinders in mounting
styles CP and FP W
can be provided with
the gland retainer
Tie Rod Supports plate extended below PD
Rigidity of Envelope – The pre-stressed tie rod the mounting side INTEGRAL FA PA
KEY
construction of Parker cylinders has advantages in of the cylinder (see
rigidity within the limits of the cylinder tube to resist illustration below). This extended retainer plate can then
buckling. For long stroke cylinders within practical limits, be fitted into a keyway milled into the mounting surface
Parker provides exclusive TIE ROD SUPPORTS of the machine member. This is referred to as the “P”
(see table below) which move the tie rod centerlines Modification of any side mounting style.
radially outward. Bore FA PA PD
Standard tie rod supports are kept within the envelope Ø Mtg. Styles CP & FP
dimensions of the head and cap, and generally do not
-.002
interfere with mounting a long cylinder. 1.00 .312 +.000 0.19 0.94

-.002
1.50 .312 +.000 0.19 1.19

Stroke (Inches)
Bore Ø

-.002
1.44
0.19
.312
2.00
+.000
36 48 60 72 84 96

108 120 132 144 156 168
Number of Supports Required 1.00 — 1 1 1 2 1 1 W 1 2 1 2 Consult Factory 3 4 2.50 .312 +.000 0.19 1.69 C

-.002

1
3
— —
2
3
1
1.50

-.002
1
1
2.00
2
2
3
2
2
— — —
0.31
2.19
3.25
.562
+.000

1
1
2
2
1
— — — — —
1
2.50

-.002
— — — — — —
3.25
1
1
1
—

1
4.00
1
PE — —
1
—
— — — —
—
—
PD or
PA

-.002
3.06
5.00
.562
0.31

+.000
Note: 5.00" through 8.00" bore sizes — no supports required. 1 1 4.00 .562 +.000 0.31 2.56

6.00 .687 -.002 0.38 3.63
Stroke Adjusters FA INTEGRAL KEY +.000
For the requirement where adjusting the stroke is speci-
fied. Parker has several designs to offer, one of which
is illustrated below. This is suitable for infrequent adjust- Metric Piston Rod Thread
1
ment and is economical . The table below lists the standard thread supplied
when Piston Rod Thread type M is specified in the
Bore Ø D J K L cylinder model code.
Series (Max.)
3L MM Thread A
1.50, 2.00 1 /2 - 20 0.31 0.94 5.00 Rod
Styles
2.50, 3.25, 4.00 3 /4 - 16 0.44 1.25 8.00 Ø 4M & 9M Style
8M
5.00, 6.00 1 - 14 0.63 1.69 9.00 KK CC
1
8.00 1 /2 - 12 0.94 2.13 18.00
0.625 M10x1.5 M12x1.5 0.75
Here a “retracting 1.000 M20x1.5 M22x1.5 1.13
stroke adjuster” STOP PIN SEAL FOR THREADS 1" & UP
must be called for in 1.375 M26x1.5 M30x2 1.63
specifications, and D-THREADS 1.750 M33x2 M39x2 2.00
the length of the 2.000 M39x2 M45x2 2.25
adjustment must be WRENCH 2.500 M48x2 M56x2 3.00
specified. J- SQUARE 3.000 M58x2 M68x2 3.50
SEAL FOR 1/2
Where frequent L & 3/4 THREADS 3.500 M64x2 M76x2 3.50
adjustment or K(MIN.)
cushions at the cap end are required, other designs are 4.000 M76x2 M95x2 4.00
available according to application needs. 4.500 M80x2 M110x2 4.50
1 Infrequent is defined by positioning the retract stroke in a couple of 5.000 M90x2 M110x2 5.00
attempts at original machine set up. The frequent stroke adjuster is 5.500 M100x2 M130x2 5.50
recommended for adjustments required after the original equipment
W
has been adjusted by the original machine manufacturer.
PD PA
INTEGRAL KEY
FT
57 Parker Hannifin Corporation
Industrial Cylinder Division
www.parker.com/cylinder Des Plaines, Illinois