Flow Pisco 2 Stage Speed Control 1505490155 Bjsu1 User Manual

Pisco 2 Stage Speed Control-1505490155 PISCO_2_STAGE_SPEED_CONTROL-1505490155 PISCO_2_STAGE_SPEED_CONTROL-1505490155 PISCO 2 STAGE SPEED CONTROL Fittings & Flow Controls s production assets-flotronics

User Manual: Flow Pisco 2 Stage Speed Control-1505490155

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No, NP 49-03e

Q Be bothered by installation or replacement of a shock absorber?
A There is a solution with Pisco's

2-stage Speed Controller

Industry's
First
Patent no.5578502

Speed controller

Smart
Product

2 in 1

By 3 needles,
Initial speed & 2nd speed & Shift timing
CUSHION

are adjusted separately.

Durability is
Shock Absorber

3

about times of
a normal cylinder mounting type shock absorber.

Product's initial series name "Brake built-in Speed Controller" has been changed to "2-stage Speed Controller", which describes its
feature more appropriately.
1

2-stage Speed Controller

Feature

Shock absorber is not required.
Adjustment of shock absorbing property is possible by
the adjustment of 2nd speed (EX2 (CUSHION
2-stage speeds can be controlled by individual needles.
e.g. Reducing the shock to 1/9 (reducing speed to 1/3) while keeping the same cycle time.
Shock absorbing effect chart

Stroke
（mm）

Speed 30（EX2（CUSHION）
）

20

200

15

150

10

100
50
0
0

5

2

3
4
TIME（S）
Speed 200（EX1（SPEED）
）

➡

5

Standard speed controller

Shock of standard speed controller
0
Shock of 2-stage Speed Controller

Speed100
1

Shock（m/s²）

2-stage Speed Controller

250

6

EX2（CUSHION）
（ 2nd speed：30mm/sec）

EX1（SPEED）
（Initial speed：200mm/sec）
2 sec
200mm（Stroke）

⬅

TIM
（TIMER）

2-stage Speed Controller

Speed：100mm/sec

➡

⬅
Conventional Standard Speed Controller

Shock absorber

It is possible to shorten traveling (cycle) time as long as
conventional shock absorbing (cushion) property is same.*
*Conventional shock absorbing property means shock absorbing by reducing the cylinder speed by a cylinder mounting type
shock-absorber near the stroke end.
e.g. Actuate 80% of cylinder stroke at the speed of twice as fast as the regular speed of a conventional standard speed
controller, then actuate the last 20% of the stroke at the regular speed.
Cycle time Chart

Stroke
（mm）

250

150
100

1

2

3
4
TIME（S）
Speed 200（EX1（SPEED）
）

➡

Standard speed controller

1.6

Speed100

50
0
0

2-stage Speed Controller

Speed100（EX2（CUSHION））

200

5

sec

Shortended cycle time

6

EX2（CUSHION）
（ 2nd Speed：100mm/sec）
EX1（SPEED）
（Initial speed：200mm/sec）
1.2 sec
200mm（Stroke）

⬅
2-stage Speed Controller

TIM
TIM
（
（TIMER）
）
Shock absorber

➡

⬅
Conventional Standard Speed Controller

Shock absorber

Speed shift timing is adjustable.
2

The speed shifting (brake) timing from EX1 to EX2 can be set at the position where the shock absorber does not work.
Intermediate stop of cylinder is possible.

Specification

http://www.pisco.co.jp/

Pneumatic Symbol

Fluid medium
Operating pressure range
Operating temp. range

TIM (TIMER)

Air
0.2~1.0MPa
0~60 （No freezing）

EX2 (CUSHION)
IN

EX1 (SPEED)

OUT

Construction
㉑
①

②

No.
①
②
③
④
⑤
⑥
⑦
⑧
⑨
⑩
⑪
⑫
⑬
⑭
⑮
⑯
⑰
⑱
⑲
⑳
㉑
㉒
㉓

⑳

③

⑲

④
⑤

⑱
⑰
⑯
⑮

⑥

⑦

⑧

⑨

⑩

⑪ ⑫㉒⑬

⑭

㉓

Exhaust flow characteristic

（Air supply ：0.5MPa）

200

Exhaust flow
（ℓ/min
［ANR］
）

180

①

②

③

BJSU6

140
120

③.Tube dia.
Code
4
Metric（㎜） ø4
ø5/32
Inch
Applicable max.
c y lin d e r b o re（㎜）

100
80

ø20

6
ø6
‐

8
ø8
ø5/16

ø25

ø32

※ The above max. cylinder bore sizes are

BJSU4

supply and cylinder speed of 500mm/sec.

60
40

②.Type

20

Code
Type

0

Material
Special stainless steel
Electroless nickel-plated brass
Electroless nickel-plated brass
Electroless nickel-plated brass
PBT
HNBR
POM
Electroless nickel-plated brass
Stainless steel
NBR
Aluminum
HNBR
Stainless steel
Stainless steel
HNBR
Aluminum
Aluminum
PVF
Electroless nickel-plated brass
Aluminum
Electroless nickel-plated brass
HNBR: BJSU4, NBR: BJSU6 & BJSU8
NBR

Model Designation (Example)

BJS U 4

BJSU8

160

Part
Timer (TIM) needle
Speed (EX1) needle
Cushion(EX2) needle
Inner ring
Resin body
Diaphragm
Release-ring
Guide-ring
Lock-claws
Elastic-sleeve
Valve retainer
Valve element
Spring
Stopper ball
Main spool O-ring
Main valve spool
Main spool guide
Silencer
Needle guide
Lock nut
Knob
Spool seal packing
Fixed O-ring

0

2

4

6
8
10
Number of needle rotation

12

14

U
Union Straight

①．2-stage Speed Controller

Detailed Safety Instruction
Warning
Adjust a speed of an actuator by referring to Speed adjusting method(Page.4).
Inappropriate procedure may result in rapid action or jumping out of an actuator under incorrect procedure.

Cautions
1. Since the speed controllers is designed to tolerate some leakage, avoid using on an application requiring complete air-tightness.
2. During braking ( shock absorbing ) process, thrust of a cylinder is reduced by back pressure till the residual air in cylinder is
exhausted completely.
3. Air leak around a cylinder may affect the speed adjustment.
4. Do not block the exhaust ports during the adjustment and operation.
3

2-stage Speed Controller

Outline Dimensional Drawing
BJSU Union Straight
T

øP2 2-øP3

F2

F1

2-ø3.3

B2
øD

F3

B1

CUSHION


C

øP1

B3
Model
BJSU4
BJSU6
BJSU8

Tube O.D.
øD
4
6
8

Tube end
B1
B2
B3 øP1 øP2 øP3
max. min. max. min.
C
38.3 35.7 37.1 34.4 51.1 10
10
10 14.9
45.7 42 44.7 40.8 58.5 12.5 12.5 12.5 17
52.5 48.8 52
49 65.6 14.5 12.5 14.5 18.1

F1
32
38
43

Unit：mm
F2

F3

T

Eff. sect Area（㎟） WT.

IN→OUT
9.2 18.9 10.4 2.6
9.5 22.7 13 4.5
11.1 29.5 15 5.0

OUT→EX1
1.0
2.0
2.6

Price

OUT→EX2 （g） （¥）
1.0 21 4,500
2.0 33 4,700
2.6 52 4,900

Speed adjusting method
■ Function of each needle

■ Controlling details

Solenoid Valve side

Cylinder side
Advancing SP

quick

late

fast

slow

slow

Adjust the operating (initial)
speed of drive equipment.

Knob

Adjust the 2nd (braking) speed
for controlling intensity of a brake
or shock absorbing property.

Lock nut

ⒶTIM
（TIMER）

SE

Retracting SE

ⒶTIM
（TIMER）

CUSHION
ⒸEX2
（CUSHION）
Starting position

CUSHION

Solenoid Valve side

ⒸEX2
（CUSHION）
CUSHION

fast

ⒶTIM（TIMER）needle ⒷEX1
（SPEED）needle ⒸEX2（CUSHION）needle
Adjust the speed shift timing.

ⒷEX1
（SPEED）

SP

ⒷEX1
（SPEED）
Stroke End

Cylinder side

■ Speed adjusting method
① Install the product. Connect tube from cylinder port to the OUT side of the product.
② Before carrying out the speed adjustment, fully open TIM and EX1 needles by turning them couterclockwise and completely close
EX2 needle by turning it clockwise.
③Adjust the 2nd (braking) speed with EX2 needle. Actuate the cylinder by gradually opening the EX2 needle so that the piston moves and
reaches to stroke-end. Tighten the lock nut while holding the needle head in order not to change the adjusted speed.
④ Adjust the shift (brake) timing with TIM needle. Close TIM needle gradually so that the break (shock absorber function) works near the
stroke end. Do not turn the TIM needle to near full close position or close the needle quickly from full open positon, otherwise speed shifting
effect (brake or shock absorbing function) does not work.
⑤ When decelerate the operating speed of the cylinder, adjust EX1 needle and readjust the timing of speed shift (brake) again.
needle heads of TIM and EX1 in order not to change
⑥
the adjusted setting.

Tips for the adjustment
・Fix the pressure and the length of tube before adjusting these needles, so that the setting of this product will not be affected.
・As for speed adjusting process ① ~ ③, adjust two controlles together at the both sides of the cylinder, then adjust them separately
for process ④ ~ ⑥.
・Completely open EX1 needle (accelerate cylinder) and nearly completely close EX2 needle (strengthen a brake), when the timing of
・
・Adjust all needles over again if encountering a problem.

463 W WRIGHTWOOD AVE.
ELMHURST IL 60126 USA
TEL: +1-630-993-3500 FAX: +1-630-993-3501
www.pisco.com Email: inquiry@pisco.com
3,6&286$,1&

4

●

2014.11-2 PDF



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