Epsitec.it

NHS Series
The first feature is the large moment load. The THK LM guide is used with two rails to withstand high moment load. The second feature is ample options. Full stroke adjustment (one or both sides), with cable bearer (horizontal or vertical), and other options to match piping port positions, etc., is selectable.
The X axis module sensor is installed on the T groove on the front cover, so the distance with the magnet on the slider is limited and a reed switch cannot be used. T2 or T3 cylinder switch can be installed. When using a PLC that may have leakage current, use the T3 (leakage With the standard, the stroke can be reduced up to 15 mm each from left and right. If larger stroke adjustment is required, select full stroke adjustment. Note that the stroke cannot be increased past the standard stroke with The NSR-10 and 15 have a tension mechanism on the front There are not differences in the NSR-30 and 50.
NHS Series
Select the X axis module according to the load capacity and Select the LCY (NHS-L) for high accuracy and light load.
Select the LCS (NHS-C) for high accuracy and medium load.
Select the HRL (NHS-H) for medium accuracy and high load.
Select the STL (NHS-S) for low accuracy and low cost.
Position locking is provided with all models as an option, Consult with CKD as this may be possible in some cases. This may be handled if gripper installation is designated.
Valves are not installed on each module, and must be New handling system
Is a cable bearer provided on the Z axis module? NHS Series
Technical data

Cylinder (NSR) uses to X axis about.
Load capacity and moment load
• Vertical load: W
• Load capacity and moment load is to be within range of following graph. If graph exceeds specifications, damage may be caused. Check if total of moment is 1.0 or less with following formula.
• Bending moment: M1
• Radial moment: M2
X axis speed - load capacity diagram
• Twist moment: M3
Horizontal load capacity diagram
X axis speed (mm/s)
• Hose mass of cable bearer is to be weight of • Adjustable stroke block can be moved by loosening fixing bolt.
following graphs or less. Volume percent is to be • Tighten adjustable stroke block at required position with torque on following 50% or less. If capacity is not satisfied, consult table after movement. If tightened with torque other than above, adjustable Cable bearer faculty diagram
2.8
2.6
2.4
2.2

Cable hose mass 1.4
200 400 600 800 1000 1200 1400 1600 1800 2000 2200mm
Stroke length
NHS Series
Technical data
• Use HRL within following allowable eccentric load.
Allowable load (1) Calculate all load (W) and moment (M1, M2 (2) Divide each load by max. value as shown following diagram to find load-moment ratio, • Bending moment: M1
• Twist moment: M3
• Radial moment: M2
• Vertical load: W
New handling system
NHS Series
Technical data

STL type allowable lateral load/allowable torque/revolvable angle tolerance Bore size mm Model No. 50 75 100 125 150 175 200 225 250 275 300 325 350 375 40016 dia.
75 100 125 150 175 200 225 250 275 300 325 350 375 400 1.07 0.79 0.61 0.50 0.43 0.36 0.32 0.28 0.25 0.22 0.20 0.19 0.17 0.16 0.14 2.03 1.54 1.26 1.03 0.89 0.77 0.69 0.61 0.55 0.51 0.45 0.43 0.38 0.36 0.32 4.43 3.47 2.83 2.39 2.06 1.82 1.60 1.43 1.29 1.18 1.10 0.99 0.94 0.85 0.80 ± 1.0
± 0.9
Rod fully
32 to 50 dia.
extended
Inclination (mm)
Inclination (mm)
300 350 400
Stroke length (mm)
Stroke length (mm)
NHS Series
Technical data
2 Select bore size temporally to meet following formula.
generated at stroke limit per direction.
E' < Emax
: Max. allowable value of W' (from table 2) : Max. allowable value of M1' (from table 2) : Max. allowable value of M2' (from table 2) : Max. allowable value of M3' (from table 2) : Max. allowable value of E0 (from table 3) Find rough value of G coefficient according to [ table 1 ].
Moving distance
[ Table 1 ] Va (average speed)=
Moving time
G Coefficient =
[ Table 3 ] Allowable energy absorption of LCS (E0) New handling system
E'= 1 X m X Vm2
NHS Series
Technical data

performing thrust, speed at stroke end and workpiece (N)
: Cylinder theoretical thrust (N)
[ Table 4 ]
Note: Coefficient compensates increase of coefficient according to average speed (Va) and load factor found at STEP-2.
NHS Series
Technical data
to G coefficient speed at stroke end (Vm) Check moment composite MT at traveling. (Note that this valve differs from the one found at STEP-1.) New handling system
NHS Series
Technical data

Wmax : Max. allowable value of W (from table 6)
W1max : Max. allowable value of M1 (from table 6)
W2max : Max. allowable value of M2 (from table 6)
W3max : Max. allowable value of M3 (from table 6)
E max : Max. allowable value of E0 (from table 3)
[Table 6] Traveling load allowable value
Check if MT and M'T are 1 or less.
Determine bore size
Check if E Emax is satisfied.
Determine bore size
E max : Max. allowable value of E0 (from table 3)
Bore size determined according to STEP-4 (load conditions) B dia. Selected
Bore size determined according to STEP-5 A > B dia.
A dia. Selected
NHS Series
Technical data
New handling system
NHS Series
Technical data

NHS Series
Technical data
New handling system

Source: http://www.epsitec.it/master_catalog/disk1/Pdf/nhs05.pdf

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