CN218426883U

CN218426883U - Machining center

Info

Publication number: CN218426883U
Application number: CN202222854850.0U
Authority: CN
Inventors: 苏剑超; 谭礼财; 林子谋
Original assignee: Changpu Intelligent Equipment Guangdong Co ltd
Current assignee: Changpu Intelligent Equipment Guangdong Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-02-03
Anticipated expiration: 2032-10-27

Abstract

The utility model relates to a work piece processing technology field specifically is a machining center, the on-line screen storage device comprises a base, base top outer wall fixedly connected with box, bottom half inner wall fixedly connected with Y axle module, Y axle module includes the second guided way of fixed connection at the bottom half inner wall, second guided way top outer wall sliding connection has the sliding seat, sliding seat top outer wall fixedly connected with X axle module, the equal fixedly connected with fixed plate of X axle module both sides outer wall, the first power component that one of them fixed plate bottom outer wall fixedly connected with drive X axle module removed along second guided way vertical direction, bottom half inner wall fixedly connected with drive sliding seat is along the third power component that second guided way direction removed, the utility model discloses can work through controlling fifth motor, fifth motor further control cutter removes, realizes the distance between cutter and the work piece and adjusts, and then realizes the processing work of higher accuracy, has further improved the practicality of this device.

Description

Machining center

Technical Field

The utility model relates to a work piece processing technology field specifically is a machining center.

Background

The numerical control milling machine is also called CNC milling machine; english means the milling machine controlled by electronic counting digitalized signals, and the numerical control milling machine is an automatic processing device developed on the basis of the common milling machine, the processing technique of the two is basically the same, the structure is similar, the numerical control milling machine is divided into two categories of no tool magazine and tool magazine, wherein the numerical control milling machine with the tool magazine is also called as a processing center, various surfaces of a workpiece are processed by a milling cutter, the rotation motion of the milling cutter is generally taken as a main motion, the movement of the workpiece and the milling cutter is taken as a feed motion, and the numerical control milling machine can process planes, grooves, various curved surfaces, gears and the like.

The Chinese utility model patent with publication number CN207326429U discloses a machining center, which comprises a machine body, a workbench and a stand column, wherein the workbench is provided with a rotary table, the rotary table is provided with a fixed seat, a slide block is arranged right above the fixed seat, one side of the fixed seat is provided with a servo motor a, the servo motor a is fixedly connected with a screw rod a matched with the slide block, and a machining machine head is arranged right above the slide block; stand one side is equipped with the connecting seat, is equipped with screw rod b and spout in the stand, be equipped with rotating member and holder on the connecting seat, the rotating member includes box and fixed disk, and fixed disk one end is connected and is fixed with fixed axle a, be equipped with fixed axle b on the holder, connecting portion cooperate with screw rod b, owing to adopted above-mentioned technical scheme, a machining center is through setting up revolving platform and fixing base and slider to and set up the processing aircraft nose on the slider, realize the movement track of more directions of cutter and angle.

In the technical scheme, the following problems exist:

the device removes the in-process at the drive work piece, need carry on more power equipment drive work piece and remove, and the work piece is comparatively loaded down with trivial details at the ascending removal operation process of horizontal direction, leads to the device's practicality lower, in addition carrying out the course of working, the interval between control cutter that can not be accurate and the work piece leads to the device production work piece accuracy lower, further causes the device's practicality to reduce.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a machining center to solve the problem that proposes in the above-mentioned background art.

The technical scheme of the utility model is that: the utility model provides a machining center, includes the base, base top outer wall fixedly connected with box, bottom half inner wall fixedly connected with Y axle module, Y axle module includes the second guided way of fixed connection at the bottom half inner wall, second guided way top outer wall sliding connection has the sliding seat, sliding seat top outer wall fixedly connected with X axle module, the equal fixedly connected with fixed plate of X axle module both sides outer wall, one of them fixed plate bottom outer wall fixedly connected with drive X axle module is along the first power component of second guided way vertical direction removal, bottom half inner wall fixedly connected with drive sliding seat is along the third power component of second guided way direction removal, rectangular hole has been seted up to box top outer wall, box top outer wall is close to rectangular hole fixedly connected with support, support one side outer wall sliding connection has the Z axle module, support one side outer wall fixedly connected with drive Z axle module second power component that reciprocates, support one side outer wall fixedly connected with coupling assembling.

Preferably, the X-axis module includes the first guided way of fixed connection at sliding seat top outer wall, and first guided way and second guided way mutually perpendicular, first guided way top outer wall sliding connection has the fixing base, fixing base top outer wall fixedly connected with workstation.

Preferably, the first power assembly comprises a first motor fixedly connected to the outer wall of the bottom of the fixing plate, the first screw rod is fixedly connected to an output shaft of the first motor, the first screw rod and the other fixing plate form a rotating connection, the first transmission seat is fixedly connected to the outer wall of the bottom of the fixing seat, a first threaded hole matched with the first screw rod is formed in the outer wall of one side of the first transmission seat, and the first screw rod penetrates through the first threaded hole.

Preferably, the second power assembly comprises a third motor fixedly connected to the inner wall of the bottom of the box body, the output end of the third motor is fixedly connected with a third screw rod, the outer wall of the bottom of the sliding seat is fixedly connected with a third transmission seat, a third screw hole matched with the third screw rod is formed in the outer wall of one side of the third transmission seat, and the third screw rod penetrates through the third screw hole.

Preferably, Z axle module is including the second transmission seat of sliding connection at support one side outer wall, second transmission seat one side outer wall fixedly connected with connecting seat.

Preferably, the second power assembly comprises a motor box fixedly connected to the outer wall of one side of the support, a second motor is fixedly connected to the inner wall of the top of the motor box, a second screw rod is fixedly connected to an output shaft of the second motor, a second screw hole matched with the second screw rod is formed in the outer wall of one side of the second transmission seat, the second screw rod penetrates through the second screw hole, a fixed block is fixedly connected to the outer wall of one side of the support, and the second screw rod and the fixed block are connected in a rotating mode.

Preferably, coupling assembling includes the fifth motor of fixed connection at connecting seat one side outer wall, support one side outer wall fixedly connected with tool magazine, the output fixedly connected with cutter installed part of fifth motor, the concave cutter mounting hole that is equipped with of lower extreme of cutter installed part.

Preferably, the first motor, the second motor and the third motor are all connected with switches, and the switches are all connected with power lines.

Preferably, the outer wall of one side of the box body is hinged with a box door, and the outer wall of one side of the box body is fixedly connected with a control panel.

Preferably, the radiator unit includes the cylinder of fixed connection at support bottom outer wall, the output fixedly connected with connecting plate of cylinder, connecting plate bottom outer wall one side fixedly connected with connecting axle, connecting axle top outer wall rotates and is connected with the roating seat, roating seat top outer wall fixedly connected with annular slab, connecting axle department fixedly connected with fourth motor is kept away from to connecting plate bottom outer wall, the output shaft fixedly connected with runner of fourth motor, runner and annular slab arc outer wall cover are equipped with the drive belt, roating seat bottom outer wall fixedly connected with valve, valve bottom outer wall fixedly connected with outlet pipe, the hose of roating seat arc outer wall fixedly connected with and valve intercommunication.

The utility model discloses an improve and provide a machining center here, compare with prior art, have following improvement and advantage:

one is as follows: the utility model discloses a sliding seat, first guided way, the third guided way, first transmission seat, the third transmission seat, first power component and third power component that set up, can realize in the use, the switch of switch-on third motor, the third motor drives the third lead screw rotation, cooperate the third screw hole on the third transmission seat in the rotatory in-process of third lead screw, drive the third transmission seat and remove, and then drive the sliding seat and remove, the sliding seat removes the in-process and directly drives first guided way and remove, in the rotatory in-process of first motor drive first lead screw, through the first screw hole on the first transmission seat, drive the first transmission seat and remove, the first transmission seat directly drives the workstation and remove, and then make this device can be fast effectual realize the fast movement of work piece on the horizontal direction through first motor and third motor, moreover, the structure is simple, the operation process is simple and convenient, the practicality of this device is improved;

the second step is as follows: the utility model discloses a second motor, second lead screw, second transmission seat, connecting seat, fifth motor and the tool magazine of setting can realize in the course of working, and through the work of control fifth motor, the fifth motor drives the cutter installed part and removes, and then realizes the distance between cutter and the work piece on the cutter installed part and adjusts, and then realizes the processing work of higher accuracy, has further improved the practicality of this device.

Drawings

The invention is further explained below with reference to the figures and examples:

fig. 1 is a front elevation structure diagram of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic side elevation view of the present invention;

fig. 4 is a back front view structure diagram of the present invention;

FIG. 5 is a schematic view of a partially cut-away three-dimensional structure of the case of the present invention;

FIG. 6 is a schematic sectional view of the case of the present invention;

FIG. 7 is a schematic side sectional view of the case of the present invention;

fig. 8 is an enlarged view at a in fig. 7.

Description of reference numerals:

1. a box body; 2. a box door; 3. a support; 4. a fifth motor; 5. a first motor; 6. a tool magazine; 7. a connecting seat; 8. a motor case; 9. a control panel; 10. a first guide rail; 11. a sliding seat; 12. a second guide rail; 13. a fixed seat; 14. a work table; 15. a second motor; 16. a second lead screw; 17. a second transmission seat; 18. a base; 19. a third motor; 20. a third screw rod; 21. a third transmission seat; 22. A first transmission base; 23. a fixed block; 24. a first lead screw; 25. a fourth motor; 26. a rotating wheel; 27. A transmission belt; 28. a cylinder; 29. a rotating base; 30. a connecting shaft; 31. a water outlet pipe; 32. a valve; 33. A hose; 34. a connecting plate.

Detailed Description

The present invention will be described in detail below, and it is apparent that the technical solutions in the embodiments of the present invention are described clearly and completely. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The utility model discloses an improve and provide a machining center here, the technical scheme of the utility model is:

as shown in fig. 1-8, a machining center comprises a base 18, a box 1 is fixedly connected to the outer wall of the top of the base 18, a Y-axis module is fixedly connected to the inner wall of the bottom of the box 1, the Y-axis module comprises a second guide rail 12 fixedly connected to the inner wall of the bottom of the box 1, a sliding seat 11 is slidably connected to the outer wall of the top of the second guide rail 12, an X-axis module is fixedly connected to the outer wall of the top of the sliding seat 11, fixing plates are fixedly connected to the outer walls of both sides of the X-axis module, a first power assembly for driving the X-axis module to move along the direction perpendicular to the second guide rail 12 is fixedly connected to the outer wall of the bottom of one of the fixing plates, a third power assembly for driving the sliding seat 11 to move along the direction of the second guide rail 12 is fixedly connected to the inner wall of the bottom of the box 1, a rectangular hole is formed in the outer wall of the top of the box 1, a support 3 is fixedly connected to the outer wall of one side of the support 3, a second power assembly for driving the Z-axis module to move up and down is fixedly connected to the outer wall of one side of the support 3; by means of the structure, a switch of the third motor 19 can be switched on, the third motor 19 drives the third screw rod 20 to rotate, the third screw hole in the third transmission seat 21 is matched in the rotating process of the third screw rod 20, the third transmission seat 21 is driven to move, the sliding seat 11 is further driven to move, the first guide rail 10 is directly driven to move in the moving process of the sliding seat 11, the switch of the first motor 5 is switched on, in the rotating process of the first screw rod 24 driven by the first motor 5, the first transmission seat 22 is driven to move through the first screw hole in the first transmission seat 22, the first transmission seat 22 directly drives the workbench 14 to move, the sliding seat 11, the first guide rail 10 and the third transmission seat 21 are further driven to move along the Y axis direction through the third transmission seat 21, the workbench 14 is driven to move along the X axis direction through the third transmission seat 21, and therefore the device can rapidly and effectively achieve rapid movement of a workpiece in the horizontal direction through the first motor 5 and the third motor 19.

Further, the X-axis module comprises a first guide rail 10 fixedly connected to the outer wall of the top of the sliding seat 11, the first guide rail 10 and the second guide rail 12 are perpendicular to each other, the outer wall of the top of the first guide rail 10 is slidably connected with a fixed seat 13, and the outer wall of the top of the fixed seat 13 is fixedly connected with a workbench 14; by means of the structure, the workbench 14 can be driven to move by the third transmission seat 21 on the second guide rail 12 in the moving process of the first guide rail 10, and the workpiece can move in the X-axis direction and the Y-axis direction by matching the vertical relation of the first guide rail 10 and the second guide rail 12.

Further, the first power assembly comprises a first motor 5 fixedly connected to the outer wall of the bottom of the fixing plate, an output shaft of the first motor 5 is fixedly connected with a first screw rod 24, the first screw rod 24 and the other fixing plate form a rotary connection, the outer wall of the bottom of the fixing seat 13 is fixedly connected with a first transmission seat 22, a first threaded hole matched with the first screw rod 24 is formed in the outer wall of one side of the first transmission seat 22, and the first screw rod 24 penetrates through the first threaded hole; by means of the above structure, the switch of the first motor 5 can be switched on, and in the process that the first motor 5 drives the first lead screw 24 to rotate, the first transmission seat 22 is driven to move through the first threaded hole on the first transmission seat 22, and the first transmission seat 22 directly drives the workbench 14 to move.

Further, the second power assembly comprises a third motor 19 fixedly connected to the inner wall of the bottom of the box body 1, the output end of the third motor 19 is fixedly connected with a third screw rod 20, the outer wall of the bottom of the sliding seat 11 is fixedly connected with a third transmission seat 21, a third threaded hole matched with the third screw rod 20 is formed in the outer wall of one side of the third transmission seat 21, and the third screw rod 20 penetrates through the third threaded hole; by means of the structure, the switch of the third motor 19 can be switched on, the third motor 19 drives the third screw rod 20 to rotate, and the third screw rod 20 is matched with the third threaded hole in the third transmission seat 21 in the rotating process to drive the third transmission seat 21 to move, so that the sliding seat 11 is driven to move.

Further, the Z-axis module comprises a second transmission seat 17 connected to the outer wall of one side of the support 3 in a sliding manner, and the outer wall of one side of the second transmission seat 17 is fixedly connected with the connecting seat 7; by means of the structure, the connecting seat 7 can be driven to move in the moving process of the second transmission seat 17, so that the distance between the cutter and the workpiece on the workbench 14 can be adjusted, and the workpiece can be machined.

Further, the second power assembly comprises a motor box 8 fixedly connected to the outer wall of one side of the support 3, a second motor 15 is fixedly connected to the inner wall of the top of the motor box 8, an output shaft of the second motor 15 is fixedly connected with a second screw rod 16, a second threaded hole matched with the second screw rod 16 is formed in the outer wall of one side of the second transmission seat 17, the second screw rod 16 penetrates through the second threaded hole, a fixed block 23 is fixedly connected to the outer wall of one side of the support 3, and the second screw rod 16 and the fixed block 23 form a rotary connection; by means of the structure, the switch of the second motor 15 can be switched on, the second motor 15 drives the second screw rod 16 to rotate, and the second screw hole in the second transmission seat 17 is matched, so that the second transmission seat 17 moves, the connecting seat 7 is driven to move, and the tool magazine 6 in the connecting seat 7 is close to a workpiece on the workbench 14.

Further, the connecting assembly comprises a fifth motor 4 fixedly connected to the outer wall of one side of the connecting seat 7, the outer wall of one side of the support 3 is fixedly connected with a tool magazine 6, the output end of the fifth motor 4 is fixedly connected with a tool mounting piece, and the lower end of the tool mounting piece is concavely provided with a tool mounting hole; borrow by above-mentioned structure, can put through the switch of fifth motor 4 again after carrying out the position control of connecting seat 7 through second motor 15, second lead screw 16 and second transmission 17, further control the cutter through fifth motor 4 and remove, realize the distance between cutter and the work piece and adjust, and then realize the processing work of higher accuracy, further improved the practicality of this device.

Furthermore, the first motor 5, the second motor 15 and the third motor 19 are all connected with switches, and the switches are all connected with power lines; by means of the structure, the working states of the first motor 5, the second motor 15, the third motor 19 and the fifth motor 4 can be adjusted by respectively controlling the switches of the first motor 5, the second motor 15 and the third motor 19.

Furthermore, the outer wall of one side of the box body 1 is hinged with a box door 2, and the outer wall of one side of the box body 1 is fixedly connected with a control panel 9; borrow by above-mentioned structure, can carry out the input of processing data through control panel 9, realize avoiding the piece departure box 1 in the course of the work through chamber door 2, improved the security performance of this device.

Further, the heat dissipation assembly comprises an air cylinder 28 fixedly connected to the outer wall of the bottom of the support 3, an output end of the air cylinder 28 is fixedly connected with a connecting plate 34, one side of the outer wall of the bottom of the connecting plate 34 is fixedly connected with a connecting shaft 30, the outer wall of the top of the connecting shaft 30 is rotatably connected with a rotating seat 29, the outer wall of the top of the rotating seat 29 is fixedly connected with an annular plate, a fourth motor 25 is fixedly connected to the position, away from the connecting shaft 30, of the outer wall of the bottom of the connecting plate 34, an output shaft of the fourth motor 25 is fixedly connected with a rotating wheel 26, a driving belt 27 is sleeved on the rotating wheel 26 and the arc-shaped outer wall of the annular plate, the outer wall of the bottom of the rotating seat 29 is fixedly connected with a valve 32, the outer wall of the bottom of the valve 32 is fixedly connected with a water outlet pipe 31, and the arc-shaped outer wall of the rotating seat 29 is fixedly connected with a hose 33 communicated with the valve 32; by means of the structure, when the water injection device is used, the water injection device is communicated with the rotary seat 29 through the hose 33, the valve 32 is opened, water can be sprayed on a workpiece through the hose 33, the valve 32 and the water outlet pipe 31, the height of the rotary seat 29 is adjusted through the air cylinder 28 and the connecting plate 34, the height adjustment of the water outlet pipe 31 is realized, the rotating wheel 26 is driven to rotate through the work of the fourth motor 25, the rotary seat 29 is driven to rotate through the driving belt 27 and the annular plate, the adjustment of the water outlet angle of the water outlet pipe 31 is realized, the height and angle adjustment of the water outlet pipe 31 can be realized through the fourth motor 25 and the air cylinder 28 in the machining process, and more uniform heat dissipation is provided for the workpiece.

The working principle is as follows: when in use, the box door 2 is firstly opened, a workpiece to be machined is fixed on the workbench 14, a proper cutter is selected through the cam divider and the cutter changing manipulator on the tool magazine 6, and the cutter mounting piece are fixed through the cutter mounting hole, the switch of the third motor 19 is switched on, the third motor 19 drives the third screw rod 20 to rotate, the third screw rod 20 is matched with a third threaded hole on a third transmission seat 21 in the rotating process to drive the third transmission seat 21 to move, thereby driving the sliding seat 11 to move, the sliding seat 11 directly drives the first guide rail 10 to move in the moving process, the switch of the first motor 5 is switched on, in the process that the first motor 5 drives the first screw rod 24 to rotate, the first transmission seat 22 is driven to move through the first threaded hole on the first transmission seat 22, the first transmission seat 22 directly drives the workbench 14 to move, thereby realizing that the sliding seat 11, the first guide rail 10 and the third transmission seat 21 are driven by the third transmission seat 21 to move along the Y-axis direction, the third transmission seat 21 drives the workbench 14 to move along the X-axis direction, so that the device can quickly and effectively realize the quick movement of the workpiece in the horizontal direction through the first motor 5 and the third motor 19, has simple structure and simple and convenient operation process, improves the practicability of the device, switches on the switch of the second motor 15, drives the second lead screw 16 to rotate by the second motor 15, and is matched with the second threaded hole on the second transmission seat 17 to move the second transmission seat 17, through the work of control fifth motor 4, the fifth motor makes the cutter remove on the cutter installed part on the fifth motor 4, realizes the distance between cutter and the work piece and adjusts, and then realizes the processing work of higher precision, has further improved the practicality of this device.

Claims

1. A machining center is characterized in that: including base (18), base (18) top outer wall fixedly connected with box (1), box (1) bottom inner wall fixedly connected with Y axle module, Y axle module includes second guided way (12) of fixed connection at box (1) bottom inner wall, second guided way (12) top outer wall sliding connection has sliding seat (11), sliding seat (11) top outer wall fixedly connected with X axle module, the equal fixedly connected with fixed plate of X axle module both sides outer wall, one of them fixed plate bottom outer wall fixedly connected with drive X axle module is along the first power component of second guided way (12) vertical direction removal, box (1) bottom inner wall fixedly connected with drive sliding seat (11) is along the third power component of second guided way (12) direction removal, the rectangular hole has been seted up to box (1) top outer wall, box (1) top outer wall is close to rectangular hole department fixedly connected with support (3), support (3) one side sliding connection has Z axle module, the second power component that support (3) one side outer wall fixedly connected with drive Z axle module reciprocated, Z axle module fixed wall fixedly connected with support (3) one side fixed wall fixedly connected with support fixed wall fixed connection subassembly (3) one side fixed wall.

2. A machining center according to claim 1, characterized in that: x axle module includes first guided way (10) of fixed connection at sliding seat (11) top outer wall, and first guided way (10) and second guided way (12) mutually perpendicular, first guided way (10) top outer wall sliding connection has fixing base (13), fixing base (13) top outer wall fixed connection has workstation (14).

3. A machining center according to claim 2, characterized in that: first power component includes first motor (5) of fixed connection at fixed plate bottom outer wall, the first lead screw of output shaft fixedly connected with (24) of first motor (5), and first lead screw (24) and another fixed plate constitute and rotate the connection, fixing base (13) bottom outer wall fixedly connected with first transmission seat (22), first screw hole with first lead screw (24) looks adaptation is seted up to first transmission seat (22) one side outer wall, and first lead screw (24) pass first screw hole.

4. A machining center according to claim 3, characterized in that: the second power assembly comprises a third motor (19) fixedly connected to the inner wall of the bottom of the box body (1), an output end of the third motor (19) is fixedly connected with a third screw rod (20), the outer wall of the bottom of the sliding seat (11) is fixedly connected with a third transmission seat (21), a third threaded hole matched with the third screw rod (20) is formed in the outer wall of one side of the third transmission seat (21), and the third screw rod (20) penetrates through the third threaded hole.

5. A machining center according to claim 4, characterized in that: z axle module includes second transmission seat (17) of sliding connection at support (3) one side outer wall, second transmission seat (17) one side outer wall fixedly connected with connecting seat (7).

6. A machining center according to claim 5, characterized in that: the second power component comprises a motor box (8) fixedly connected to the outer wall of one side of the support (3), a second motor (15) is fixedly connected to the inner wall of the top of the motor box (8), a second screw rod (16) is fixedly connected to the output shaft of the second motor (15), a second screw hole matched with the second screw rod (16) is formed in the outer wall of one side of the second transmission seat (17), the second screw rod (16) penetrates through the second screw hole, a fixing block (23) is fixedly connected to the outer wall of one side of the support (3), and the second screw rod (16) and the fixing block (23) form a rotating connection.

7. A machining center according to claim 6, characterized in that: coupling assembling includes fifth motor (4) of fixed connection at connecting seat (7) one side outer wall, support (3) one side outer wall fixedly connected with tool magazine (6), the output fixedly connected with cutter installed part of fifth motor (4), the concave cutter mounting hole that is equipped with of lower extreme of cutter installed part.

8. A machining center according to claim 7, characterized in that: the first motor (5), the second motor (15) and the third motor (19) are all connected with switches, and the switches are all connected with power lines.

9. A machining center according to claim 1, characterized in that: the outer wall of one side of the box body (1) is hinged with a box door (2), and the outer wall of one side of the box body (1) is fixedly connected with a control panel (9).

10. A machining center according to claim 1, characterized in that: radiator unit includes cylinder (28) of fixed connection at support (3) bottom outer wall, the output fixedly connected with connecting plate (34) of cylinder (28), connecting plate (34) bottom outer wall one side fixedly connected with connecting axle (30), connecting axle (30) top outer wall rotates and is connected with roating seat (29), roating seat (29) top outer wall fixedly connected with annular slab, connecting axle (30) fixedly connected with fourth motor (25) are kept away from to connecting plate (34) bottom outer wall, the output shaft fixedly connected with runner (26) of fourth motor (25), runner (26) and annular slab arc outer wall cover are equipped with drive belt (27), roating seat (29) bottom outer wall fixedly connected with valve (32), valve (32) bottom outer wall fixedly connected with (31), soft pipe (33) of roating seat (29) arc outer wall fixedly connected with and valve (32) intercommunication.