STROKES: 025, 050, 075, 100, 125, 150, 175, 200mm PNEUMATIC OR HYDRAULIC CYLINDER LIGHTWEIGHT ALUMINUM BODY

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1 ISO 9001 REGISTERE WP4 & 6 SERIES GOL LINE STROKES: 025, 050, 075, 100, 125, 150, 175, 200mm PNEUMATIC OR HYRAULIC CYLINER SHOT PINS WP4 40mm SQUARE RAM SOLI STATE CYLINER SWITCH AVAILALE WITH WP4 70mm ORE PNEUMATIC CYLINERS. PROX SWITCH (CYLINICATOR) PORTS (SWITCH PROVIE Y CUSTOMER) ALUMINUM 63mm ORE PNEUMATIC TIE RO CYLINER ALUMINUM 70mm WELKER PNEUMATIC CYLINER RAP OR RIGI COUPLER NAAMS STANAR MOUNTING METAL SHROU CORROSION & WEL SPATTER RESISTANT STEEL RAM WP6 60mm SQUARE RAM ALUMINUM 100mm PNEUMATIC WELKER CYLINER, TIE RO AN HYRAULIC CYLINERS ALSO AVAILALE LIGHTWEIGHT ALUMINUM OY REVISE: 1/18/17 Welker Engineered Products 1401 Piedmont, Troy MI 48083

2 Series WP Ram Size 4 4 (40mm square) 6 6 (60mm square) W P N Stroke , 050, 075, 100, 125, 150, 175, 200 Coupler A Rap (shortens nominal cylinder stroke by 2mm-WP4) (shortens nominal cylinder stroke by 3mm-WP6) Rap only available with Actuator Options 01, 02, 30 or 31 Rigid Cylinder (See charts below) Stop Options 0 None E Adjustable Extend Stop* NOTE: Stop Option E will shorten stroke G Fixed Extend Stop* NOTE: Stop Option G will shorten stroke *Requires requires double rod cylinder. Not available on Hydraulic Cylinders. Ram Style 4 Hole - Large L 4 Hole - Medium Switch 00 No Switch LX See Cylinder Switch Chart below. Only available with Cylinder Options 30, 31, 32, 33 Shroud 0 No Shroud 1 Shroud Cylinder Prox (or "G" Port) Position A Position X2 Position C X3 Position X4 Position ORERING INFORMATION NOTE: ALL OXES MUST E FILLE IN FOR A COMPLETE PART NUMER WP4 Cylinder Options WP6 Cylinder Options 01 Pneumatic 63mm Tie Rod Single Rod (NPT Ports) 01 Pneumatic 100mm Tie Rod Single Rod (NPT Ports) 02 Pneumatic 63mm Tie Rod Single Rod (G Ports) 02 Pneumatic 100mm Tie Rod Single Rod (G Ports) 03 Pneumatic 63mm Tie Rod ouble Rod (NPT Ports) 03 Pneumatic 100mm Tie Rod ouble Rod (NPT Ports) 04 Pneumatic 63mm Tie Rod ouble Rod (G Ports) 04 Pneumatic 100mm Tie Rod ouble Rod (G Ports) 09 Hydraulic 40mm ore Single Rod (SAE Ports) 09 Hydraulic 80mm ore Single Rod (SAE Ports) 10 Hydraulic 40mm ore Single Rod (G Ports) 10 Hydraulic 80mm ore Single Rod (G Ports) 11 Hydraulic 40mm ore ouble Rod (SAE Ports) 11 Hydraulic 80mm ore ouble Rod (SAE Ports) 12 Hydraulic 40mm ore ouble Rod (G Ports) 12 Hydraulic 80mm ore ouble Rod (G Ports) 30 Pneumatic 70mm Welker Single Rod (NPT Ports) 30 Pneumatic 100mm Welker Single Rod (NPT Ports) 31 Pneumatic 70mm Welker Single Rod (G Ports) 31 Pneumatic 100mm Welker Single Rod (G Ports) 32 Pneumatic 70mm Welker ouble Rod (NPT Ports) 32 Pneumatic 100mm Welker ouble Rod (NPT Ports) 33 Pneumatic 70mm Welker ouble Rod (G Ports) 33 Pneumatic 100mm Welker ouble Rod (G Ports) Standard Options - All other options may affect price and delivery Cylinder Switches Switch Option Part Number Manufacturer escription L3 L5 SWITCH L3 L3 sw itch is w eld field immune, comparable to World Sw itches. L3 is a dual sensor, single connector sw itch: 1 sw itch required per cylinder MK5113 Single sensor, single connector sw itch: 2 sw itches required per cylinder Welker ifm Efector 4-Wire, 4-Pin, C (PNP) M12 X 1 Quick isconnect 3-Wire, 4-Pin, C (NPN) M12 X 1 Quick isconnect Standard Switch Option - All other options may affect price and delivery SHEET 2

3 GENERAL IMENSIONS K 2X nu OWELS PROTRUING FROM FARSIE A SQUARE WELKER SHOT PINS WE PAGE H F E 0.0 C J L P M 12.0 R V N S T CENT. Series Strokes (25mm increments) ore WP4 25, WP WP4 100, WP WP WP6 125, WP6 175, L M N P R S T U V Nominal Ram A C E F H J K WP WP Shot Pin Unit Weight (Weights shown are approximate and will vary with options) Stroke: WP4: Cylinder Option 01/ lbs 18.5 lbs 21.6 lbs 25.0 lbs 25.4 lbs 28.7 lbs 29.2 lbs 29.7 lbs WP6: Cylinder Option 01/ lbs 75.8 lbs 76.5 lbs 77.3 lbs 78.1 lbs 78.9 lbs 79.6 lbs 80.4 lbs SHEET 3

4 WP4 70mm ORE WELKER PNEUMATIC CYLINER INFORMATION W P 4 N A A Cylinder Options Stop Options Port Position 30 70mm ore Single Rod (NPT Ports) 0 None A Rotation 31 70mm ore Single Rod (G Ports) E Adjustable Extend Stop** X2 Rotation 32 70mm ore ouble Rod (NPT Ports) G Fixed Extend Stop** C X3 Rotation 33 70mm ore ouble Rod (G Ports) X4 Rotation **Requires double rod cylinder SINGLE RO CYLINER 1/4" NPT OR G1/4 PORTS STROKE 89 X4 X2 X3 OULE RO CYLINER WITH EXTEN STOP OPTION "E" PRE-SET TO: STROKE - 5mm STROKE n38 AJUSTALE EXTEN STOP MAX AJ +/-4.0 CLAMP SCREW MUST E TIGHTENE AFTER AJUSTMENT 5mm `4.0mm SHORT OF STROKE OULE RO CYLINER WITH EXTEN STOP OPTION "G" PRE-SET TO: STROKE - 5mm STROKE FIXE EXTEN STOP n38 RECOMMENE OPERATING PRESSURE PNEUMATIC: PSI, FLOW CONTROLS NOT REQUIRE SHEET 4 5mm SHORT OF STROKE

5 WP6 100mm ORE WELKER PNEUMATIC CYLINER INFORMATION W P 6 N A A Cylinder Options Stop Options Port Position mm Welker Single Rod (NPT Ports) 0 None A Rotation mm Welker Single Rod (G Ports) E Adjustable Extend Stop** X2 Rotation mm Welker ouble Rod (NPT Ports) G Fixed Extend Stop** C X3 Rotation mm Welker ouble Rod (G Ports) X4 Rotation **Requires double rod cylinder SINGLE RO CYLINER 1/2" NPT OR G1/2 PORTS STROKE 114 X4 X2 X3 OULE RO CYLINER WITH EXTEN STOP OPTION "E" PRE-SET TO: STROKE - 5mm STROKE CLAMP SCREW MUST E TIGHTENE AFTER AJUSTMENT n38 AJUSTALE EXTEN STOP MAX AJ +/-4.0 5mm `4.0mm SHORT OF STROKE OULE RO CYLINER WITH EXTEN STOP OPTION "G" PRE-SET TO: STROKE - 5mm STROKE n51 FIXE EXTEN STOP 5mm `4.0mm SHORT OF STROKE RECOMMENE OPERATING PRESSURE PNEUMATIC: PSI, FLOW CONTROLS NOT REQUIRE SHEET 5

6 A W P 6 N A A Ram Size 4 40mm square 6 60mm square WP4 & WP6 PNEUMATIC TIE RO CYLINER INFORMATION Cylinder Options Stop Options Cylinder Prox (or "G" Port) Position 01 Single Rod (NPT Ports) 0 None A Rotation 02 Single Rod (G Ports) E Adjustable Extend Stop** X2 Rotation 03 ouble Rod (NPT Ports) G Fixed Extend Stop** C X3 Rotation 04 ouble Rod (G Ports) X4 Rotation **Requires double rod cylinder SINGLE RO CYLINER C + STROKE PORT: SEE CHART PROX MOUNT: SEE CHART NPT PORT CYLINERS OPTION ESIGNATES LOCATION OF THE PROX. TO ROTATE THE PROX LOCATION 90 CLOCKWISE, ORER THE X2 OPTION. THE OTHER THREE SURFACES ARE THE SPECIFIE PORT. "G" PORT CYLINERS OPTION ESIGNATES LOCATION OF THE PORT. TO ROTATE THE PORT LOCATION 90 CLOCKWISE, ORER THE X2 OPTION. THE OTHER THREE SURFACES ACCEPT CYLINICATOR. NPT PROX G PORT A X4 NPT PORT G PROX X2 NPT PORT G PROX OULE RO CYLINER WITH STOP OPTION "E" X3 NPT PORT G PROX PRE-SET TO: 5mm - STROKE AJUSTALE EXTEN STOP MAX AJ +/ STROKE n38 CLAMP SCREW MUST E TIGHTENE AFTER AJUSTMENT OULE RO CYLINER WITH STOP OPTION "G" 7.9 STOP PLATE 5mm `4.0mm SHORT OF STROKE PRE-SET TO: 5mm - STROKE FIXE EXTEN STOP + STROKE n STOP PLATE 5mm SHORT OF STROKE SERIES NOMINAL RAM PNEUMATIC ORE A C PNEUMATIC PORTS PROX REA EPTH PUSH PULL WP /8" NPT or G3/8 26mm REA EPTH 4.8 SQ.IN. 4.5 SQ.IN. WP /2" NPT or G1/2 32MM REA EPTH 12.2 SQ.IN SQ.IN. RECOMMENE OPERATING PRESSURE PNEUMATIC: PSI, FLOW CONTROLS NOT REQUIRE CYLINERS ARE SWITCH REAY. SWITCHES ARE NOT SUPPLIE WITH THE CYLINER. SHEET 6

7 WP4 & WP6 HYRAULIC CYLINER INFORMATION W P 4 N A Ram Size Cylinder Options Cylinder Prox (or "G" Port) Position 4 40mm square 09 Single Rod (SAE Ports) A Rotation 6 60mm square 10 Single Rod (G Ports) X2 Rotation 11 ouble Rod (SAE Ports) C X3 Rotation 12 ouble Rod (G Ports) X4 Rotation SINGLE RO CYLINER PROX MOUNT - SEE CHART & IAGRAMS ELOW PORTS - SEE CHART ELOW C J + STROKE A X4 X2 X3 OULE RO CYLINER G + STROKE E + STROKE F K THREA H SAE PORT CYLINERS PROX "G" PORT CYLINERS PORT OPTION ESIGNATES LOCATION OF THE PROX. TO ROTATE THE PROX LOCATION 90 CLOCKWISE, ORER THE X2 OPTION. THE OTHER THREE SURFACES ARE THE SPECIFIE PORT. PORT 100mm ORE SAE PORT PORT OPTION ESIGNATES LOCATION OF THE PORT. TO ROTATE THE PORT LOCATION 90 CLOCKWISE, ORER THE X2 OPTION. THE OTHER THREE SURFACES ACCEPT CYLINICATOR. PROX 100mm ORE 'G' (SPP) PROX PROX Series Nominal Ram ore A C E F G H J K Ports Prox Read epth WP /16-20 SAE #6 OR G3/8 26mm REA EPTH WP /4-16 SAE #8 OR G1/2 32mm REA EPTH RECOMMENE OPERATING PRESSURE HYRAULIC: 200 PSI, FLOW CONTROLS NOT REQUIRE CYLINERS ARE SWITCH REAY. SWITCHES ARE NOT SUPPLIE WITH THE CYLINER. SHEET 7

8 STANAR RAM OPTIONS (See supplemental ram sheet for non-standard options) W P 4 N A A Ram Size Ram Style 4 40mm square 4 Hole - Large 6 60mm square L 4 Hole - Medium 4X n H P.F. OWEL ~ RAM STYLE "" 4X n G P.F. OWEL ~ RAM STYLE "L" A J CENT 4X n F THRU ~ RAM STYLE "" 4X n E THRU ~ RAM STYLE "L" C 4X K TAP J CENT Series Nominal Ram A C ØE ØF ØG ØH J K WP THRU 8.0 THRU 25 M8 X EEP WP THRU 8.0 THRU 40 M10 X EEP SHEET 8

9 ody Mounting: Square ram shot pin units have dual mounting capability. At all mounting locations, you have the option of mounting from the top using the counter-bored clearance holes or the same holes, tapped from the bottom. Using any four of the six holes, symmetrical about the centerline, is sufficient. Protruding mounting dowesl are provided and are press fit into the body. Square ram packages are high precision full contact plane bearing units and therefore must be mounted to a flat surface. Mounting surfaces must be flat within.002" (0.05mm). Ram Mounting: Square ram shot pin units use a standard NAAMS L-lock pattern with 15mm spacing. Spacing allows mounting of 3 and 4 hole pin retainers and L-blocks to the ram. Through holes can be tapped and fitted with standard thread inserts. Shrouds: Safety orange steel shrouds are available for additional protection. Shrouds prevent undesirable buildup of contamination from welding and machining applications. Welker specifically recommends shroud usage in mig, tig and arc welding applications. Shrouds should only be removed if clearance problems exist and conditions permit. Consult Welker. Wipers: The wiper is the only maintenance item on Welker pin units. It is a custom molded moly impregnated urethane wiper. Welker recommends changing the wiper yearly. Specific applications may require more or less frequent wiper service. Stroke: The stroke accuracy of shot pins is limited to that of the cylinder. Normal cylinder stroke accuracy is ±.015" (0.38mm). For control of "end of stroke" repeatability, see extend and retract stop options for each series. Rap couplings cause the unit to be less than the nominal stroke of the cylinder. The 40mm ram units have a 2mm rap. The 60mm ram units have a 3mm rap. The rap allows the cylinder to begin moving before moving the ram. The impact of the coupler helps free tooling from a bound condition. Most applications using a pneumatic shot pin should have rap couplings. Rap coupler not available on hydraulic units. Welker cylinders do not require lubrication. Welker WP4 & WP6 Shot Pin Technical Information Switch: 40mm ram tie rod cylinders have prox switch (cylindicator) ports with 26mm read depth (probe length). 60mm ram tie rod cylinders have prox switch (cylindicator) ports with 32mm read depth (probe length). Welker does not supply prox switches. Solid state cylinder switches available through Welker. Repeatability: Shot pin units utilize a full contact bearing surface for high repeatability. Repeatability within ±.002" (0.05mm) part to part is achievable. Wear: Wear equals variance in position under load over time. Shot pin tests indicate maximum wear of.002" wear at 3 million cycles. Loading and eflection: Maximum deflection is ±.005" and is measured at the end of the ram up to the specified strokes and up to the loads and distances as shown below. Longer extensions can be used at lower tolerances and loads. Pins mounted closer to the body exhibit less deflection. For applications with longer strokes and higher loads, consult Welker. MOUNTE TOOLING MUST E WITHIN APPROVE APPLICATION RAIUS FROM EN OF RAM: 100 R = 150.0mm (6.0") 40 RAM 250 R = 200.0mm (8.0") 60 RAM MOUNTE TOOLING MUST E WITHIN APPROVE APPLICATION RAIUS FROM EN OF RAM: 100 = 150.0mm (6.0") 40 RAM 250 = 200.0mm (8.0") 60 RAM ±0.13 (±.005") MAX EFLECTION AT EN OF RAM UP TO THE FOLLOWING STROKES: 40mm RAM: 75mm STROKE 60mm RAM: 100mm STROKE q SHEET 9