Double-station aluminum mold processing machine tool

Abstract

The utility model discloses a double-station aluminum mold processing machine tool, and relates to the field of machining. The machine comprises a rack, a first workbench, a second workbench, a first spindle box, a second spindle box, a first X-axis moving assembly, a second X-axis moving assembly, a Y-axis moving assembly, a first Z-axis moving assembly and a second Z-axis moving assembly. The first X-axis moving assembly and the second X-axis moving assembly are arranged on the rack in a spaced mode. The first workbench and the second workbench are arranged on the first X-axis moving assembly and the second X-axis moving assembly respectively. The Y-axis moving assembly is arranged on the upper portion of the rack. The first Z-axis moving assembly and the second Z-axis moving assembly are arranged on the Y-axis moving assembly in a spaced mode. The first spindle box and the second spindle box are arranged on the first Z-axis moving assembly and the second Z-axis moving assembly respectively. The numerical control machine tool can run on an operation panel of the machining machine tool, two machining instruction programs can be modified, and two same products or two different products can be machined at the same time.

Description

Technical Field

[0001] The utility model relates to the field of machining, and particularly relates to a double-station aluminum mold processing machine tool. Background Art

[0002] An aluminum mold processing machine tool is a numerically controlled machine tool for precision machining of aluminum alloy molds and other soft metals or non-metallic materials, with a CNC control system and multi-axis linkage capabilities, suitable for the manufacture of complex three-dimensional surfaces and precision components. Currently, the single-head or double-head processing machine tools in use can only run one machining program instruction. Since different product sizes vary, and the machining program instructions are also different, such processing machine tools can only process the same type of product and cannot process two different products simultaneously. When the processing machine tool processes another product, reprogramming is required, which is time-consuming and laborious, and the processing efficiency is low. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a double-station aluminum mold processing machine tool that can run and modify two machining instruction programs on the operation panel of the processing machine tool and can process two identical products or two different products simultaneously.

[0004] To solve the above technical problem, the utility model adopts the following technical solutions:

[0005] A double-station aluminum mold processing machine tool includes a machine frame, a first workbench, a second workbench, a first spindle box, a second spindle box, a first X-axis moving component, a second X-axis moving component, a Y-axis moving component, a first Z-axis moving component, and a second Z-axis moving component; the first X-axis moving component and the second X-axis moving component are spaced and installed on the machine frame; the first workbench and the second workbench are respectively installed on the first X-axis moving component and the second X-axis moving component; the Y-axis moving component is installed on the upper part of the machine frame; the first Z-axis moving component and the second Z-axis moving component are spaced and installed on the Y-axis moving component; the first spindle box and the second spindle box are respectively installed on the first Z-axis moving component and the second Z-axis moving component, and are respectively located above the first workbench and the second workbench.

[0006] As a further elaboration of the above technical solution:

[0007] In the above technical solution, both the first X-axis moving component and the second X-axis moving component include an X-axis ball screw pair, an X-axis driving motor, an X-axis slide rail, and an X-axis slider. The X-axis ball screw pair is rotatably arranged on the machine frame, the output shaft of the X-axis driving motor is connected to one end of the X-axis ball screw pair, the X-axis slide rail is installed on the machine frame, and the X-axis slider is slidably connected to the X-axis slide rail; the bottoms of the first workbench and the second workbench are fixedly connected to the X-axis slider and the nut of the X-axis ball screw pair.

[0008] In the above technical solution, the Y-axis moving component includes a first Y-axis ball screw pair, a second Y-axis ball screw pair, a first Y-axis driving motor, a second Y-axis driving motor, a Y-axis slide rail, a Y-axis slider, a first mounting plate and a second mounting plate. The first Y-axis ball screw pair and the second Y-axis ball screw pair are rotatably arranged at the front end of the upper part of the frame, and the first Y-axis ball screw pair and the second Y-axis ball screw pair are parallel to each other. The output shaft of the first Y-axis driving motor is connected to one end of the first Y-axis ball screw pair, and the output shaft of the second Y-axis driving motor is connected to one end of the second Y-axis ball screw pair. The Y-axis slide rail is installed at the front end and the top of the upper part of the frame. The Y-axis slider is slidably connected to the Y-axis slide rail. The rear ends of the first mounting plate and the second mounting plate are provided with convex parts, and the convex parts are fixedly connected to the Y-axis slider located at the top of the frame. Moreover, the rear end of the first mounting plate is fixedly connected to the Y-axis slider at the front end of the upper part of the frame and the nut of the first Y-axis ball screw pair, and the rear end of the second mounting plate is fixedly connected to the Y-axis slider at the front end of the upper part of the frame and the nut of the second Y-axis ball screw pair.

[0009] In the above technical solution, both the first Z-axis moving component and the second Z-axis moving component include a Z-axis ball screw pair, a Z-axis driving motor, a Z-axis slide rail and a Z-axis slider. The Z-axis ball screw pair is rotatably arranged on the first mounting plate or the second mounting plate. The output shaft of the Z-axis driving motor is connected to one end of the Z-axis ball screw pair. The Z-axis slide rail is installed on the first main spindle box or the second main spindle box. The Z-axis slider is slidably connected to the Z-axis slide rail. The first mounting plate or the second mounting plate is fixedly connected to the Z-axis slider. The first main spindle box or the second main spindle box is fixedly connected to the nut of the Z-axis ball screw pair.

[0010] In the above technical solution, the frame includes a base, columns and a cross beam. Support seats are provided on both sides of the base. The columns are erected on the support seats on both sides of the base. The cross beam is fixedly connected between the tops of the columns. The base, the columns and the cross beam are all of hollow structures, and a number of criss-crossing reinforcing ribs are provided on the inner cavity walls of the base, the columns and the cross beam.

[0011] In the above technical solution, a connecting part fixedly connected to the top of the column is provided at the bottom of the cross beam. A plurality of reinforcing rib plates are provided between the connecting part and the bottom of the cross beam, and the reinforcing rib plates are connected by connecting plates.

[0012] In the above technical solution, a main spindle motor, a main spindle and a main spindle supercharger are provided on the first main spindle box and the second main spindle box.

[0013] Compared with the prior art, the present utility model at least achieves the following beneficial effects:

[0014] Place products such as aluminum molds to be processed on the first workbench or the second workbench. The first X-axis moving component and the second X-axis moving component can drive the first workbench and the second workbench to move in the X-axis direction. The Y-axis moving component can drive the first main spindle box and the second main spindle box to move in the Y-axis direction. The first Z-axis moving component and the second Z-axis moving component can respectively drive the first main spindle box and the second main spindle box to move in the Z-axis direction, so that the products can be processed in the XYZ-axis directions; by setting the first workbench, the second workbench, the first main spindle box and the second main spindle box in the present utility model, two machining instruction programs can be run and modified on the operation panel of the same processing machine, and two identical products or two different products can be processed simultaneously through the first workbench and the second workbench, which is flexible and convenient, thus improving the processing efficiency and being suitable for use in large-scale aluminum mold processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Now, one or more embodiments of the present utility model will be described only by way of example with reference to the accompanying drawings, in which:

[0016] Figure 1 is a schematic structural diagram of an embodiment of the present application;

[0017] Figure 2 is Figure 1 a schematic exploded structural diagram of the embodiment;

[0018] Figure 3 is Figure 1 a schematic connection structural diagram of the first main spindle box and the second main spindle box of the embodiment;

[0019] Figure 4 is Figure 1 a schematic connection structural diagram of the first main spindle box and the second main spindle box of the embodiment from another perspective;

[0020] Figure 5 is Figure 1 a schematic structural diagram of the frame of the embodiment.

[0021] The reference numerals in the figure are: 1, frame; 11, base; 111, support base; 12, column; 13, cross beam; 131, connecting part; 2, first workbench; 3, second workbench; 4, first main spindle box; 5, second main spindle box; 6, first X-axis moving component; 7, second X-axis moving component; 8, Y-axis moving component; 81, first Y-axis ball screw pair; 82, second Y-axis ball screw pair; 83, Y-axis slide rail; 84, Y-axis slide block; 85, first mounting plate; 86, second mounting plate; 9, first Z-axis moving component; 10, second Z-axis moving component; 20, X-axis ball screw pair; 30, X-axis slide rail; 40, X-axis slide block; 50, convex part; 60, Z-axis ball screw pair; 70, Z-axis slide rail; 80, Z-axis slide block; 90, reinforcing rib; 100, reinforcing rib plate; 200, main spindle motor; 300, main spindle; 400, main spindle supercharger; 500, reinforcing side plate. Detailed implementation mode

[0022] The present invention will be described in detail below with reference to the exemplary embodiments in the drawings. However, it should be understood that the present application can be implemented in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided herein to make the disclosure of the present application more complete and to fully convey the concept of the present application to those skilled in the art.

[0023] In the description of the present application, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present application. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, the meanings of "a number of" and "a plurality of" are two or more, unless otherwise specifically and clearly defined. In the present application, unless otherwise clearly specified and limited, terms such as "mounted", "connected", "coupled", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances. In the present application, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely means that the horizontal height of the first feature is lower than that of the second feature.

[0024] Such as Figures 1 to 5As shown in the figure, a double-station aluminum mold processing machine tool includes a machine frame 1, a first workbench 2, a second workbench 3, a first spindle box 4, a second spindle box 5, a first X-axis moving component 6, a second X-axis moving component 7, a Y-axis moving component 8, a first Z-axis moving component 9 and a second Z-axis moving component 10; the first X-axis moving component 6 and the second X-axis moving component 7 are spaced and installed on the machine frame 1; the first workbench 2 and the second workbench 3 are respectively installed on the first X-axis moving component 6 and the second X-axis moving component 7; the Y-axis moving component 8 is installed on the upper part of the machine frame 1; the first Z-axis moving component 9 and the second Z-axis moving component 10 are spaced and installed on the Y-axis moving component 8; the first spindle box 4 and the second spindle box 5 are respectively installed on the first Z-axis moving component 9 and the second Z-axis moving component 10, and are respectively located above the first workbench 2 and the second workbench 3.

[0025] In this embodiment, both the first X-axis moving component 6 and the second X-axis moving component 7 include an X-axis ball screw pair 20, an X-axis driving motor, an X-axis slide rail 30 and an X-axis slider 40. The X-axis ball screw pair 20 is rotatably arranged on the machine frame 1, and the output shaft of the X-axis driving motor is connected to one end of the X-axis ball screw pair 20. Optionally, there are two X-axis slide rails 30, and the two X-axis slide rails 30 are installed on the machine frame 1 and are respectively located on both sides of the X-axis ball screw pair 20. There are several X-axis sliders 40, and the several X-axis sliders 40 are slidably connected to the X-axis slide rail 30 at intervals; the bottoms of the first workbench 2 and the second workbench 3 are fixedly connected to the X-axis sliders 40 and the nuts of the X-axis ball screw pair 20.

[0026] When the first X-axis moving component 6 or the second X-axis moving component 7 works, the X-axis driving motor drives the screw of the X-axis ball screw pair 20 to rotate, so that the nut of the X-axis ball screw pair 20 drives the first workbench 2 or the second workbench 3 to reciprocate horizontally along the X-axis direction, realizing the processing of the product in the X-axis direction. By setting the X-axis ball screw pair 20, the position of the first workbench 2 or the second workbench 3 can be accurately adjusted, thus ensuring the processing accuracy of the product.

[0027] In this embodiment, the Y-axis moving assembly 8 includes a first Y-axis ball screw pair 81, a second Y-axis ball screw pair 82, a first Y-axis driving motor, a second Y-axis driving motor, a Y-axis slide rail 83, a Y-axis slider 84, a first mounting plate 85 and a second mounting plate 86. The first Y-axis ball screw pair 81 and the second Y-axis ball screw pair 82 are rotatably arranged at the front end of the upper part of the frame 1, and the first Y-axis ball screw pair 81 and the second Y-axis ball screw pair 82 are parallel to each other. The output shaft of the first Y-axis driving motor is connected to one end of the first Y-axis ball screw pair 81, and the output shaft of the second Y-axis driving motor is connected to one end of the second Y-axis ball screw pair 82. Optionally, there are three Y-axis slide rails 83, two of which are installed in parallel at the front end of the upper part of the frame 1, and the other Y-axis slide rail 83 is installed at the top of the upper part of the frame 1. There are several Y-axis sliders 84, and several Y-axis sliders 84 are slidably connected to the three Y-axis slide rails 83 at intervals; the rear end of the first mounting plate 85 is fixedly connected to the Y-axis slider 84 at the front end of the upper part of the frame 1 and the nut of the first Y-axis ball screw pair 81, and the rear end of the second mounting plate 86 is fixedly connected to the Y-axis slider 84 at the front end of the upper part of the frame 1 and the nut of the second Y-axis ball screw pair 82; the rear ends of the first mounting plate 85 and the second mounting plate 86 are provided with a convex part 50, and the convex part 50 is used for fixedly connecting with the Y-axis slider 84 at the top of the frame 1. The convex part 50 can improve the overall stability when the first mounting plate 85 and the second mounting plate 86 move.

[0028] When the Y-axis moving assembly 8 works, the first Y-axis driving motor and the second Y-axis driving motor respectively drive the screws of the first Y-axis ball screw pair 81 and the second Y-axis ball screw pair 82 to rotate. Thus, the nut of the first Y-axis ball screw pair 81 drives the first mounting plate 85 to reciprocate horizontally along the Y-axis direction, and the nut of the second Y-axis ball screw pair 82 drives the second mounting plate 86 to reciprocate horizontally along the Y-axis direction, realizing the processing of the product in the Y-axis direction. By setting the first Y-axis ball screw pair 81 and the second Y-axis ball screw pair 82, the positions of the first mounting plate 85 and the second mounting plate 86 in the Y-axis direction can be accurately adjusted, so as to adjust the positions of the first main spindle box 4 and the second main spindle box 5, and ensure the processing accuracy of the product.

[0029] In this embodiment, both the first Z-axis moving assembly 9 and the second Z-axis moving assembly 10 include a Z-axis ball screw pair 60, a Z-axis driving motor, a Z-axis slide rail 70 and a Z-axis slider 80. The Z-axis ball screw pair 60 is rotatably arranged on the first mounting plate 85 or the second mounting plate 86. The output shaft of the Z-axis driving motor is connected to one end of the Z-axis ball screw pair 60. The Z-axis slide rail 70 is installed on the first main spindle box 4 or the second main spindle box 5. The Z-axis slider 80 is slidably connected to the Z-axis slide rail 70; the first mounting plate 85 or the second mounting plate 86 is fixedly connected to the Z-axis slider 80, and the first main spindle box 4 or the second main spindle box 5 is fixedly connected to the nut of the Z-axis ball screw pair 60.

[0030] When the first Z-axis moving component 9 or the second Z-axis moving component 10 works, the Z-axis driving motor drives the screw rod of the Z-axis ball screw pair 60 to rotate. Thus, the nut of the Z-axis ball screw pair 60 drives the first main spindle box 4 or the second main spindle box 5 to reciprocate horizontally along the Z-axis direction, realizing the machining of the product in the Z-axis direction. By setting the Z-axis ball screw pair 60, the position of the first main spindle box 4 or the second main spindle box 5 in the Z-axis direction can be accurately adjusted to ensure the machining accuracy of the product.

[0031] Optionally, there are four Z-axis slide rails 70. Two of the Z-axis slide rails 70 are installed at the rear end of the first main spindle box 4 or the second main spindle box 5 and are respectively located on both sides of the Z-axis ball screw pair 60. The Z-axis sliders 80 on these two Z-axis slide rails 70 are fixedly connected to the first mounting plate 85 or the second mounting plate 86. The other two Z-axis slide rails 70 are installed on both sides of the first main spindle box 4 or the second main spindle box 5. Reinforcing side plates 500 are provided on both sides of the first mounting plate 85 or the second mounting plate 86. The Z-axis sliders 80 on these two Z-axis slide rails 70 are respectively fixedly connected to the two reinforcing side plates 500.

[0032] Reference Figure 5 , the frame 1 includes a base 11, columns 12 and a cross beam 13. Support seats 111 are provided on both sides of the base 11. The columns 12 are erected on the support seats 111 on both sides of the base 11. The cross beam 13 is fixedly connected between the tops of the columns 12. The base 11, the columns 12 and the cross beam 13 are all hollow structures, and a number of criss-crossing reinforcing ribs 90 are provided on the inner cavity walls of the base 11, the columns 12 and the cross beam 13. On the basis of ensuring the overall rigidity and structural strength, the material used is minimized, the cost is reduced, and the weight is lightened. A connecting portion 131 fixedly connected to the top of the column 12 is provided at the bottom of the cross beam 13. A plurality of reinforcing rib plates 100 are provided between the connecting portion 131 and the bottom of the cross beam 13, and the reinforcing rib plates 100 are connected by connecting plates.

[0033] In this embodiment, a main spindle motor 200, a main spindle 300 and a main spindle supercharger 400 are provided on the first main spindle box 4 and the second main spindle box 5. The main spindle supercharger 400 improves the maximum speed and maximum output power of the main spindle 300 through the principle of compressing air for supercharging, thereby improving the machining efficiency and quality. At the same time, the main spindle supercharger 400 can also reduce the speed of the main spindle 300 and enhance the accuracy and stability during the machining process.

[0034] The working principle of this double-station aluminum mold processing machine tool is as follows:

[0035] Place products such as aluminum molds to be processed on the first workbench 2 or the second workbench 3. The first X-axis moving component 6 and the second X-axis moving component 7 can drive the first workbench 2 and the second workbench 3 to move in the X-axis direction, thereby adjusting the processing position of the product in the X-axis direction; the Y-axis moving component 8 can drive the first mounting plate 85 and the second mounting plate 86 to move in the Y-axis direction, thereby adjusting the processing position of the first main spindle box 4 and the second main spindle box 5 in the Y-axis direction; the first Z-axis moving component 9 and the second Z-axis moving component 10 can drive the first main spindle box 4 and the second main spindle box 5 to move in the Z-axis direction respectively, thereby adjusting the processing position of the first main spindle box 4 and the second main spindle box 5 in the Z-axis direction; the utility model can process the product in the XYZ-axis directions, and the cutting tools installed on the spindles 300 of the first main spindle box 4 and the second main spindle box 5 are used to process the product.

[0036] By providing the first workbench 2, the second workbench 3, the first main spindle box 4 and the second main spindle box 5, the utility model has a dual-station processing function. Two processing instruction programs can be run and modified simultaneously on the operation panel of the same processing machine, and two identical products or two different products can be processed simultaneously, which is flexible and convenient, improves the processing efficiency, and is suitable for use in mass production of aluminum molds and plastic molds.

[0037] It should be understood that all the above embodiments are exemplary rather than restrictive. Any modifications, equivalent changes and decorations made by those skilled in the art to the specific embodiments described above under the concept of the utility model still fall within the scope of the technical solutions of the utility model.

Claims

1. A double-station aluminum mold processing machine tool, including a frame, characterized in that: It also includes a first workbench, a second workbench, a first spindle box, a second spindle box, a first X-axis moving assembly, a second X-axis moving assembly, a Y-axis moving assembly, a first Z-axis moving assembly and a second Z-axis moving assembly; the first X-axis moving assembly and the second X-axis moving assembly are installed on the frame at intervals; the first workbench and the second workbench are installed on the first X-axis moving assembly and the second X-axis moving assembly respectively; the Y-axis moving assembly is installed on the upper part of the frame; the first Z-axis moving assembly and the second Z-axis moving assembly are installed on the Y-axis moving assembly at intervals; the first spindle box and the second spindle box are installed on the first Z-axis moving assembly and the second Z-axis moving assembly respectively, and are respectively arranged above the first workbench and the second workbench.

2. The double-station aluminum mold processing machine tool according to claim 1 is characterized in that: The first X-axis moving assembly and the second X-axis moving assembly both include an X-axis ball screw pair, an X-axis drive motor, an X-axis slide rail and an X-axis slider. The X-axis ball screw pair is rotatably arranged on the frame, the output shaft of the X-axis drive motor is connected to one end of the X-axis ball screw pair, the X-axis slide rail is installed on the frame, and the X-axis slider is slidably connected to the X-axis slide rail; the bottoms of the first workbench and the second workbench are fixedly connected to the X-axis slider and the nut of the X-axis ball screw pair.

3. The double-station aluminum mold processing machine tool according to claim 1 is characterized in that: The Y-axis moving assembly includes a first Y-axis ball screw pair, a second Y-axis ball screw pair, a first Y-axis driving motor, a second Y-axis driving motor, a Y-axis slide rail, a Y-axis slider, a first mounting plate and a second mounting plate. The first Y-axis ball screw pair and the second Y-axis ball screw pair are rotatably arranged at the front end of the upper part of the frame, and the first Y-axis ball screw pair and the second Y-axis ball screw pair are parallel to each other. The output shaft of the first Y-axis driving motor is connected to one end of the first Y-axis ball screw pair, and the output shaft of the second Y-axis driving motor is connected to the first Y-axis ball screw pair. One end of two Y-axis ball screw pairs are connected, the Y-axis slide rail is installed on the front end and top of the upper part of the frame, the Y-axis slider is slidably connected to the Y-axis slide rail, the first mounting plate and the second mounting plate are provided with a protrusion at the rear end, the protrusion is fixedly connected to the Y-axis slider located at the top of the frame, and the rear end of the first mounting plate is fixedly connected to the Y-axis slider at the front end of the upper part of the frame and the nut of the first Y-axis ball screw pair, and the rear end of the second mounting plate is fixedly connected to the Y-axis slider at the front end of the upper part of the frame and the nut of the second Y-axis ball screw pair.

4. The double-station aluminum mold processing machine tool according to claim 3 is characterized in that: The first Z-axis moving assembly and the second Z-axis moving assembly both include a Z-axis ball screw pair, a Z-axis driving motor, a Z-axis slide rail and a Z-axis slider. The Z-axis ball screw pair is rotatably arranged on the first mounting plate or the second mounting plate, the output shaft of the Z-axis driving motor is connected to one end of the Z-axis ball screw pair, the Z-axis slide rail is installed on the first spindle box or the second spindle box, and the Z-axis slider is slidably connected to the Z-axis slide rail; the first mounting plate or the second mounting plate is fixedly connected to the Z-axis slider; the first spindle box or the second spindle box is fixedly connected to the nut of the Z-axis ball screw pair.

5. The double-station aluminum mold processing machine tool according to claim 1 is characterized in that: The frame includes a base, columns and beams, support seats are provided on both sides of the base, the columns are upright on the support seats on both sides of the base, the beams are fixedly connected between the tops of the columns, the base, columns and beams are all hollow structures, and a number of criss-crossing reinforcing ribs are provided on the inner cavity walls of the base, columns and beams.

6. The double-station aluminum mold processing machine tool according to claim 5 is characterized in that: A connecting portion fixedly connected to the top of the column is provided at the bottom of the cross beam, and a plurality of reinforcing ribs are provided between the connecting portion and the bottom of the cross beam, and the reinforcing ribs are connected by connecting plates.

7. The double-station aluminum mold processing machine tool according to claim 1 is characterized in that: The first spindle box and the second spindle box are provided with a spindle motor, a spindle and a spindle supercharger.

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