Progressive distributor SX-1

Transcription

1 Progressive distributors SX-1 are distributor devices with hydraulic sequence control whose plungers of lubricant supplied are controlled such that the lubricant escapes forcibly and in sequence from the individual outlets. The distributor will block if there is trouble in the lubricant flow, such as e.g. clogging of the lubricant line or twisting of the bearing shell, within the distributor or in the lubricating line system. This blocking is used to monitor the distributors. With hand-operated pumps, such distributor blockage will present a nearly insurmountable backpressure. With automatic pumps such as the EP-1 electrical pump, the lubricant is sprayed off the pressure relief valve. Progressive distriburor SX-1 with three delivery elements and six outlets: The progressive distributors are manufactured in a variable plate design. This has the advantage that the distributor can be extended or shortened as desired depending on the number of lubricating points. Because of this plate design, it is also possible to assemble individual central elements (dosing elements) with different deliveries per plunger stroke to one overall progressive distributor. The different deliveries per plunger stroke are achieved by different plunger diameters. For perfect functioning, a progressive distribu-tor will need at least three plungers, i.e. at least three delivery dosing elements. Technical data: Operating pressure: -Input: Temperatue range: Delivery medium: max. 400 bar -30 C to +80 C Oil - fluid grease - grease Size: Min. SX-1 3/6 (3 plunger elements) Max.: MX-F 12/24 (12 plunger elements) Ø15 R1/8 Dimensional drawing: 10,5 24,8519,7 19, ,7 19,7 19,7 32,5 Ø15 R1/8 11,5 6 B 11, ,5 40 Designation of element SX-1 05 SX-1 10 SX-1 15 SX-1 20 Delivery rate Code Per outlet Per element 0,068 cm³ 0,105 cm³ 0,150 cm³ 0,210 cm³ 0,136 cm³ 0,210 cm³ 0,300 cm³ 0,420 cm³ SX ,275 cm³ 0,550 cm³ 25 SX ,350 cm³ 0,700 cm³ 35 SX ,430 cm³ 0,860 cm³ 45 6 A 6 60 PU EN Outlets Dim. A Dim. B ,1 94,1 94,1 113,8 133,5 153,2 172,9 192,6 212,3 232,0 74,1 74,1 74,1 93,8 113,5 133,2 152,9 172,6 192,3 212,0 X 1

2 Functional description In detail, the progressive distributors consist of an initial elementae (without a plunger), a central element ME and a final element EE (without a plunger) which are combined to form distributor blocks by means of tension rods with serrated lock washers and nuts. The individual elements are sealed by means of O-rings. Figure A The lubricant flows via the distributor inlet through all distributor plates to the plunger (I) (Fig. A). Plunger (I) is displaced to the left and the lubricant is pressed from the left surge cham-ber of the delivery plunger to outlet 1 (Fig. B). Subsequently, the dosing plungers (II) and (III) are progressively displaced and the lubricant is delivered to the outlets 2 and 3. After displacement of plunger (III), the lubricant is directed to the left side of the delivery plunger (I) (Fig. C) and from the right surge chamber of the delivery plunger to outlet 4. Figure B: Pressure chamber Subsequently, delivery plungers (II) and (III) are displaced and the lubricant is pressed to outlet 5 and 6. After the delivery plunger (III) has been displaced, the lubricant is routed back to the right side of the delivery plunger (Fig. A), and a new cycle of the progressive plunger distributor commences. The function thus described is repeated as long as necessary for the lubricant to be supplied to the progressive distributor. Figure C: 2

3 Assembly of outlets Combining the outlets of one distributor plate: For larger lubricating points, it may be necessary to combine two or more outlets on the progressive distributor. The individual plates of the progressive distributor have two outlets. When two outlets on the progressive distributor are combined, the two outlets of one plate are connected. To do this, the reversing sealing disk separating the two sides is turned around and a plugscrew with seal is screwed into the side to be closed. The delivery of the closed side will now come out on the other side, i.e. the delivery of the open side will be doubled. 2 outlets per distributor element (Standard design) Sealing disk clamping screw Reversing sealing disk simple 1 outlet per distributor element Plugscrew Reversing sealing disk turned over with seal simple Plugscrew, ref. no.: Seal, ref. no.: double Remove sealing disk clamping screw using a hexagon socket screw driver SW 6. Turn around reversing sealing screw. Screw in sealing disk clamping screw again. Should the total delivery of the outlets combined in one plate of the progressive distributor not be sufficient e.g. with very large bearing points or with main distributors, it will also be possible to combine the outlets of two or more distributor plates. To do this, two distributor plates will be connec-ted with one distributor bridge with or without an outlet. Depending on whether or in which element the reversing sealing disk will be turn-ed over, two, three or four outlets will thus be connected with each other. The delivery from the closed outlets will then leave from one out-let. The dosing volume is calculated from the delivery index of all combined plunger sides. To combine two outlets on different distributor plates by means of a distributor bridge with one outlet, the reversing sealing disks of the two distributor plates concerned are not turned around. The delivery rates of the two combined outlets are discharged together on the outlet of the distributor bridge. Combining the outlets on several distributor plates: 2 outlets combined using a distributor bridge with outlet Reversing sealing disk single single Distributor plates, drawn with a 90 turn Distributor bridge with outlet, ref. no.: ,2 double Distributor bridge with outlet, consisting of: 1ea. bridge strip, ref. no: F0408/ ea. hollow screw w/o outlet, ref.no.: F0408/ ea. hollow screw with outlet, ref.no.: F0408/ ea. sealing ring, ref.no.: ea. sealing ring, ref.no.: ,7 30,5 3

4 Assembly of outlets To combine three outlets by means of one distributor bridge with outlet, the reversing sealing disk is turned over on one of the two distributor plates concerned. The second outlet of this distributor plate must be closed with a plugscrew and a sealing ring (see page 38). The deliveries of both outlets of the distributor plate on which the reversing sealing disk was turned over, and the delivery of the outlet of the other distributor plate which was connected with the distributor bridge will come out together at the outlet of the distributor plate. If 4 outlets are to be connected with one pipe bridge with outlet, the two outlets opposite the distributor bridge must each be closed with a plugscrew with sealing ring (see page 38). The reversing sealing disks in both distributor plates must be turned over. The deliveries of the four outlets will then come out together at the outlet of the distributor bridge. 3 outlets combined by means of one distributor bridge with outlet: Plugscrew with sealing ring Reversing sealing disk turned over Reversing sealing disk Distributor plates drawn with a 90 turn 4 outlets combined by means of one distributor bridge with outlet: Plugscrew with sealing ring Reversing sealing disk turned over More than two outlets can also be connected by means of a distributor bridge without outlet. Distributor bridge without outlet, comprising: 1 ea.bridge strip, ref. no.: F0408/ ea. hollow screw w/o outlet, ref. no.: F0408/ ea. sealing ring, ref. no.: ea. sealing ring, ref. no.: ,2 Distributor plates drawn with a 90 turn 3 outlets combined by means of one distributor bridge without outlet: Reversing sealing disk turned over triple 35 Since one distributor plate cannot be closed on both sides without the lubricant to be delivered through it being bypassed to another outlet, a minimum of three outlets must be connected with each other by means of distributor bridges without outlets. Accordingly, the reversing sealing disk in one of the distributor plates concerned must be turned over. The deliveries of the three connected outlets then come out together at the open outlet of the distributor plate on which the reversing sealing disk has been turned. Should 4 outlets be connected using a distributor plate without outlet, the reversing sealing disks on the two distributor plates must be turned. The outlet not being used, which is located opposite of the distributor bridge, must be closed with a plugscrew with sealing ring (refer to page 38). Then the delivery rates of the four outlets come out together at the remaining outlet opposite of the distribution bridge. Reversing sealing disk 4 outlets combined by means of one distributor bridge without outlet: Plugscrew with sealing ring Reversing sealing disk turned over single quadruple 4

5 G Progressive distributor SX-1 Screw fittings for outlets The distributor inlet and the distributor outlets are provided with a threaded connection R1/8 so that all screw connections can be screwed not only into the distributor inlet but also into the distributor outlets. Screw connection without check valve: S1 S3 Screw connections without check valve: Screw connection GE 4 G1/8 Screw connection GE 6 G1/8 Screw connection GE 8 G1/8 Screw connection GE 4 G1/8 LL Pipe ØD 4 L1 8 L2 16 D G L1 L2 ca. L3 Ref. No GE 6 G1/8 LL GE 8 G1/8 LL L3 28 S1 14 S2 12 D 14 PipeøD Screw connections with check valve: Screw connections with check valve are used in progressive distributors for lubricating points with increased backpressure or in main distributors. Screw connection with check valve: L1 L2 Screw connections with check valve can only be screwed into the distributor outlets because of the check valve. Screw connection with check valve GE 6 G1/8 Screw connection with check valve GE 8 G1/8 Screw connection GE 6 G1/8 Screw connections with conical thread for insertion into the swivel screw coupling of the pressure indicator. Screw connection GE 4 G1/8 k Screw connection GE 6 G1/8 k Screw connection GE 8 G1/8 k Pipe ØD 6 L1 39 L2 8 D S1 14 G S2 12 S1 D 14 S2 Ref. No. PipeØD GE 8 G1/ Screw connection GE 4 G1/8 k LL Pipe ØD 4 L1 8 L2 16 L3 26 L1 S1 11 L2 S1 L3 S2 10 S2 Ref. No GE 6 G1/8 k LL , GE 8 G1/8 k LL , PipeøD 5

6 Elements Progressive distributors SX-1 each consist of one initial element (without delivery plunger), two to ten central elements and one final element (without delivery plunger). Initial element: All elements are supplied without outlet screw connections and have threaded connections R1/8 at the distributor inlet (initial element) and on all distributor outlets (central elements). Ref. no.: Central elements can be supplied in seven different capacities. Designation of element SX-1 05 SX-1 10 SX-1 15 SX-1 20 Delivery rate Per outlet Per element 0,068 cm³ 0,105 cm³ 0,150 cm³ 0,210 cm³ 0,136 cm³ 0,210 cm³ 0,300 cm³ 0,420 cm³ Code SX ,275 cm³ 0,550 cm³ 25 SX ,350 cm³ 0,700 cm³ 35 SX ,430 cm³ 0,860 cm³ 45 Final elements are not including a delivery plunger. Central element (dosing element): RSV = check valve Designation Integrated RSV Ref. No. SX-1 05 SX-1 10 SX-1 15 SX-1 20 without without without without SX-1 25 without SX-1 35 without SX-1 45 without Final element for progressive distributor MX-F: 6

7 Elements Central elements (dosing elements) for SX-1 distributors can also be supplied with integrated check valve, e.g. for lubricating points with increased backpressure. Integrated check valve in a central element (dosing element) SX-1: All elements are supplied without outlet screw con-nections and have threaded connections R1/8. Central elements are also available with inte-grated check valve for 7 different delivery rates. RSV = check valve Designation Integrated RSV Ref. No. SX-1 05 SX-1 10 SX-1 15 SX-1 20 with with with with SX-1 25 with SX-1 35 with SX-1 45 with Central element (dosing element): Integrated check valve 7

8 Elements with proximity switches In order to monitor the system or when using a cycle control to count the piston strokes, proximity switches can be installed at the progressive distributors. The mentioned proximity switches can be insalled at SX-1 25, SX-1 35 and SX-1 45 Progressive distributor SX-1 with installed proximity switch: Middle elements with proximity switches have to be indicated on the order as retrofitting is not possible for existing distributor elements. Retrofitting a proximity switch at an existing progressive distributor SX-1 is possible by replacing a distributor disc (see page 11). Functional description: Function description: A pin (2) is attached to the piston of the distributor disc (1). This approaches the proximity sensor (3) during each piston stroke and triggers a signal. This signal can be processed in various ways depending on the controller type or application. The proximity switch is delivered without plug and cable. This accessory has to be ordered separately (see page 9). Installation dimensions: Technical data for proximit: Connection: M12x1 plugable Switch type: PNP NO contact Current load: 200 ma Voltage: 10-60V DC Permi. ambient temperature: -40 C to +85 C Function indication: LED yellow Housing material: stainless steel Protection class: IP , ca. 28,3 Circuit diagram: br 4 black 3 bl V DC Inlet control unit or PLC - GND Take care of the motor voltage before activating the general voltage. max. 3,5 Middle elements with proximity switches: Designation Proximity switch 7,5 40 Order-no. SX-1 25 with SX-1 35 with SX-1 45 with

9 Progressive distriburtor SX-1 Plug and cable for proximity switches Middle and end elements with proximity switches are delivered without a plug and cable. Various plugs with different cable lengths are available. They must be ordered separately. Connection cable no. 1 for connection to external control units or for connection to a control with a Hirschmann plug: For connecting the proximity switch to external control units or for connection to a control with a Hirschmann plug, connection cables no. 1 with straight sockets M12x1 for the proximity switch are available in lengths of 2 m, 5 m and 10 m. The connecting diagrams can be found in the description of the respective control unit. For the connection to the integrated controls BEKA-troniX1 and EP-tronic with bayonet connector, a connection cable no. 2 with lengths of 2 m, 5 m and 10 m is available, with a straight socket M12x1 on one end for the proximity switch and a straight or angular plug M12x1 on the other end for connecting to the control unit. Socket M12x1 for connecting to the proximity switch Cable length 2 m 5 m 10 m Order-no Connection cable no. 2 for connection to the integrated controls BEKA-troniX1 and EP-tronic with bayonet connectors: In order to connect existing proximity switches with M8x1 connecting threads to the integrated controls BEKA-troniX1 and EP-tronic with bayonet connector, an adapter is available with a straight socket M8x1 for the proximity switch and a straight plug M12x1. The plug and socket are connected by a cable with a length of 30 cm. This adapter can be used to connect a connection cable no. 1 and no. 2. If a proximity switch M12x1 must be connected to an existing system via a cable for a proximity switch M8x1, e. g. if the proximity switch had to be replaced previously, an adapter cable of 30 cm length with a straight socket M12x1 for the proximity switch and a straight plug M8x1 for connection to the existing cable can be ordered. Straight plug M12x1 for connecting to the integrated control units BEKA-troniX1 and EP-tronic with bayonet connector Socket M12x1 for connecting to the proximity switch Plug M12x1 for connecting to the connecting cable no. 1 and no. 2 Socket M8x1 for connecting to the proximity switch Socket M12x1 for connecting to the proximity switch Plug M8x1 for connecting to the connecting cable of the existing device Order-no.: Order-no.: Angular plug M12x1 for connecting to the integrated control units BEKA-troniX1 and EP-tronic with bayonet connector Cable length 2 m 5 m 2 m 5 m Plug type straight straight angular angular Order-no Socket M12x1 for connecting to the proximity switch 9

10 Elements with pressure gauge The pressure indicator serves to monitor the distributors visually. It can be used in the distributor inlet as well as in the distributor outlets. The pressure indicator can be retrofitted at any time. Pressure indicator mounted on an SX-1 distributor Screwed into distributor inlet: Pressure indicator (no admission) Screwed into distributor outlet: Functional description: The pressure indicator is screwed into a swivel screw coupling (1) and this will be screwed into the distributor. The screw connection, see below, must be screwed into the swivel screw coupling. The pressure indicator is used in distributors for lubricating points with increased backpressure or in main distributors. If the pressure increases e.g. by blockage of the secondary distributor the bolt (2) is pushed upwardly against the force of the spring (3) and the indicator pin (4) will become visible. When the pressure drops again e.g. by loosening the screw connection the spring (3) will push back the indicator pin. Functional description 4 3 The pressure indication is available for indication of 7 pressure ranges. This is achieved by the installation of various springs. The inidicator pins are marked with different colors. Each color is assigned to a pressure range. 2 1 Pressure (bar) Color Press. indicator with swivel screw coupling 30 Silver Red White Yellow Black Green Blue Installation dimensions: R1/8 k 45,5 R1/8 30 R1/8 10

11 Extending or shortening distributors The progressive distributors SX-1 can be adapted to application conditions at any time due to their disk configuration. If lube points are to be added or removed, the distributor can be extended or shortened by the installation/removal of distributor disks. SX SX SX SX SX Description: Remove the tie pins (1) that hold the distributor together. Separate the distributor at the required point. Add the new distributor disk or remove the unwanted distributor disk Reconnect the distributor with the appropriate tie rods, nuts and washers (see table). 1 Attention:Take care of utmost cleannes during this works Note: An SX-1 distributor must always consist of at least 3 delivering elements and a maximum of 10 elements. If one of the O rings used for sealing the distributor between the individual units is damaged and no longer seals correctly, they can be re-ordered in sets containing all O- rings that are installed in a SX-1 distributor. Sealing kit for metering element, Order-no D000 Sealing kit for metering element, Order-no.: D000 Attention: When installing the distributor take care that all pistons of the distributor are in horizontal position (see figure below). Distrib. size Conn. rod size Order-number SX-1 3/6 M7 x SX-1 4/8 M7 x SX-1 5/10 M7 x SX-1 6/12 M7 x SX-1 7/14 M7 x SX-1 8/16 M7 x SX-1 9/18 M7 x SX-1 10/20 M7 x The installation surface must be even and must not have obstacles. Installation position of the distributor: Right: Wrong: 11

12 Order key for SX-1 distributor Order example: The progressive distributor SX-1 is delivered without fittings at the distributor inlet and outlet. In this case you have to indicate a 0 for the pipe diameter and leave out the detail for the type of fitting. All fittings can also be ordered separately (see page 5). If the fittings should be delivered already installed in the distributor, indicate the pipe diameter. for connection fitting without non-return valve: GE for connection fitting with non-return valve RGE for connection fitting with conical thread e.g. GE 6 k Output rate details: The metering quantities have to be indicated for each side of the distributor inlet to the outlet. The output rate abbreviations can be found on page 6. At combined outlets, the output quantities code numbers are added up (see page 3 and 4). Screw plugs and outlets that are sealed by distributor bridges are marked with a line. At distributor bridges, the turned sealing screw must be indicated with a star. Proximity switch: Distributor elements at which a proximity switch should be installed have to be marked with NS after the metering quantity code. Proximity switches can be installed at the left or at the right side at SX-1 distributors. Outlet R1/8 R Connection positions Inlet R1/ Delivering elements L BEKA All Alle rights Rechte reserved! vorbehalten! Type No. of delivering elements No. of outlets Pipe diameter inlet * = Turned sealing disk! Metering elements with integrated non-return valves and pressure monitoring fittings have to be indicated separately. SX-1 3 / 6 - GE6 / 0 R 10 / 25 / 35 L 10 / 25 / 35 NS Subject Änderungen to alterations! vorbehalten! Pipe diameter outlet Connection position Output rate 12 X