S3020 - Machine Tool Vevor - Free user manual and instructions

Product Type	CNC Engraving Machine
Brand	Vevor
Model	S3020
Approximate Dimensions (L x W x H)	500 x 400 x 300 mm
Approximate Weight	15 kg
Power Supply	24 V DC, 5 A
Spindle Motor	775, with ER11 collet (0-5 mm capacity)
Approximate Working Area (X x Y x Z)	300 x 200 x 40 mm
Control Software	Candle (GRBL), Windows compatible
Offline Controller	Built-in, touch screen, Wi-Fi (access point or client 2.4 GHz)
Limit Switches	3 axes (X, Y, Z)
Emergency Stop	Emergency stop button on control box
Main Functions	Engraving, milling, drilling on non-metal materials (wood, plastic, etc.)
Safety Unlock	$X command to unlock after alarm
Origin Setting	Zeroing X/Y and Z axes via software or controller
Supported File Formats	G-code (NC, NCC, TAP, TXT, Gcode, GCO, NL, CUT, CNC)
Maintenance	Clean with soft brush, keep dry
Spare Parts Available	Spindle motor, collets, screws, nuts, press plates, cables
Repairability	Technical support via www.vevor.com/support, manual with troubleshooting guide
General Information	Machine tool for indoor use, requires safety glasses

Frequently Asked Questions - S3020 Vevor

How to install the CH341SER driver for the Vevor S3020 machine?

For first use, connect the machine to the computer via USB cable. Under Windows, the driver often installs automatically. Otherwise, run the CH341SER.exe file provided in the driver folder. For Windows 7 and 8, manual installation is required.

How to connect the Candle software to the machine?

Open Device Manager to find the assigned COM port (e.g., COM3). Launch Candle, go to Settings > Connection, select that COM port and set the baud rate to 115200. Click OK then the connect button.

How to set the origin of the axes for engraving?

Manually move the tool to the desired position (for example, by lightly touching the surface with a piece of paper). In Candle or the offline controller, press Zero X/Y and Zero Z to set the origin. The tool will start engraving from that point.

What to do if the engraved image is mirrored?

This indicates that the direction of an axis is reversed. In Candle software, send the GRBL command $3=... to reverse the affected axis (e.g., $3=2 to reverse X). Consult the manual for exact values.

How to use the Vevor S3020 offline controller?

First, disconnect the USB cable from the computer. Connect the offline controller to the machine. Turn it on: the touch screen displays the main page. Use the keys to navigate: OK/SPN to confirm, X+/X- to move axes. Select a G-code file from the SD card to start engraving.

How to connect the offline controller to Wi-Fi?

The controller creates an access point named VIGO-STK*** (password 12345678). Connect your computer or phone to this network, then open a browser at 192.168.0.1 or vigostick.local. You can also enter your own 2.4 GHz Wi-Fi network credentials so the controller connects to it.

What to do if the software displays 'Alarm' and the machine is locked?

Check that the limit switches are not blocked. Clear any obstacles. If the problem persists, temporarily disconnect the switch wires. To unlock, send the $X command in Candle or long press Y+ on the offline controller.

How to restore factory settings of the machine?

Use Candle software: connect to the machine, then in the command console, send $RST=*. Restart the machine after sending the command. This resets all GRBL settings.

Why is the engraving shifted or distorted?

Check the tightness of the couplings between the stepper motor and the lead screw. If there is play, tighten the set screws. Also ensure that the belt (if present) is not loose.

What G-code file types are supported by the Vevor S3020?

Supported extensions include: NC, NCC, TAP, TXT, Gcode, GCO, NL, CUT, CNC. You can use software like Inkscape with the G-code extension to generate files.

USER MANUAL S3020 Vevor

Technical Support and E-Warranty Certificate

www.vevor.com/support

CNC ENGRAVING MACHINE USER MANUAL

MODEL: S3020

We continue to be committed to provide you tools with competitive price. "Save Half", "Half Price" or any other similar expressions used by us only represent estimate of savings you might benefit from buying certain tools with us compared to top brands and does not necessarily mean to cover all categories of tools offered. We kindly remind you to verify carefully when you are placing an order with us if actually saving half in comparison with the top major brands.

MODEL: S3020

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This is the original instruction. Please read all manual instructions carefully before operating. VEVOR reserves a clear interpretation of the user manual. The appearance of the product shall be subject to the product you received. Please forgive us that we won't inform you of any technology or software updates on our product.

	Warning-To reduce the risk of injury, user must read instructions man carefully.
	Warning- Be sure to wear eye protectors when using this product.
	Indoor Use Only
	Do not touch any rotating parts when the machine is running
	Always wear protective glasses when use the machine
	Prohibited from use in flammable objects or gases
	Do not touch the socket with wet hand to reduce risk of electrocuti
	Please cut off the power immediately in case of emergency
	This product is subject to the provision of European Directive 2012/19 The symbol showing a wheelie bin crossed through indicates that the requires separate refuse collection in the European Union. This applies product and all accessories marked with this symbol. Products marked such may not be discarded with normal domestic waste, but must be a collection point for recycling electrical and electronic devices

Important Safety Instructions

Warning: To reduce the risk of burns, electrocutions, or injury to persons!

Warning

◆ Please wear protective glasses when using the machine. In case your eyes hurt. Before replacing the tool, please disconnect the power supply of the machine to avoid accidents. ◆ Unplug the socket when not in use, before replacing parts and maintaining the machine. ◆ Unplug when assembling and disassembling the unit. ◆ Close supervision is necessary when any appliance is used near children. ◆ To avoid jamming, do not force the unit to operate with excessive pressure. ◆ Do not immerse wires or machines in water, as this can cause electric shock. This appliance is not intended for use by persons (including children) with reduced physical, sensory, or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning the use of the appliance by a person responsible for their safety. ◆ Children should be supervised to ensure that they do not play with the appliance. If the supply cord or plug is damaged, it must be replaced by the main service agent or similarly qualified persons in order to avoid a hazard. (I operate this appliance. Return it to the store of service or repair by a serviceman.

SAVE THESE INSTRUCTIONS

1. Parts List

S3020 Parts List
Part No Part Name Explanation Quantity Picture Remark
01 Component for X-axis —— 1Set
02 Component for Y-axis —— 1Set
03	Spindle clamp	Φ52, Aluminum	1Set
04	Spindle motor	775	1Set	[HXX8]
		C16-ER11-35L 5mm
	Fixing ring Φ52			[IWYDD]
05 Inner hexagon screw M5*35 2				[22T6]
06 Inner hexagon screw M5*14 8				[S057]
07 Inner hexagon screw M5*12 4				[DAZY]
08 Inner hexagon screw M4*6 4
09 Trapezoidal nut M5-20 8 Already assembled				[22ZW]
10 Control box		—— 1Set
11	Offline controller and data cable	Touch screen with SD card	1Set
12	X/Z Stepper motor wire	4P,length 360mm	2
13	Y Stepper motor wire	4P,length 480mm	1
14	Spindle motor wire	2P,length 480mm	1
15	X-Limit wire	3P,length 470mm	1
16	Z-Limit wire	3P,length 400mm	1
17 Y-Limit wire 3P,length 300mm 1			——
18	USB cable	——	1	——
19	Power supply	24V,5A	1	[Z7BD]
20	Milling cutter	—— 1Set		[Drawd]
21	Pressing plate	50*20*3	4	[XOCC]	Pressing plate assembly drawing
22	Screw	M6*40 4		[3DBK]
23	Screw	M6*45 4		[Drawd]
24	Butterfly nut	M6	4	[THK]
25	Washer	M6*2mm	4	[Drawd]
26	Inner Hexagon Wrench	2/2.5/3/4mm	1Set	[56XX]
27	Nut Wrench	14/17mm	1Set
28	Probe	——	1	[63BD]
29	Soft brush	——	1	[WZBD]
30	Winding pipe	——	1	[444E]
31	U Disk	——	1
32	Instruction manual	——	1	——

2. Machine Assembly

① X-axis and Y-axis component assembly

② Spindle fixture and motor assembly

③ Control box assembly

1. Instructions for ports on the control-box

4. Candle Software

Candle is a GUI application for GRBL-based CNC-machines with G-Code visualizer. Candle is an open-source software suitable for CNC machine tool processing. It supports G code file processing and visual display.

Supported functions:

(1) Controlling GRBL-based CNC-machine via console commands, buttons on form, numpad. (2) Monitoring CNC-machine state. (3) Load, edit, save and send G-code files to CNC-machine. (4) Visualizing G-code files.

4.1 States

Work coordinates:

Represents current X, Y & Z local coordinates of the CNC.

Machine coordinates:

Represents current X, Y & Z absolute machine coordinates.

One of the following CNC statuses:

• Idle - waiting for a G-code command; Running - running a G-code command; Home - homing cycle is executing
• Check - G-code command check mode is turned on
• Hold - paused by a "!" command, need to be restarted by a "~" command
• Alarm - CNC doesn't know where it is and blocks all G-code commands

4.2 Control

Home button

Starts the homing cycle procedure with "$H" command

Z-probe

Starts the zero Z-axis search procedure using the command specified in the settings ("Z-probe commands" box). Example command: G91G21; G38.2Z-30F100; G0Z1; G38.2Z-1F10

Zero X/Y

Zeroes the "X" and "Y" coordinates in the local coordinate system. Also retains a local system offset ("G92") for later use.

Restore X/Y/Z

Restores local system coordinates with "G92" command.

Safe Z

Moves tool by "Z"-axis to safe position. Position coordinate can be specified in the "Safe Z" setting. Position must be specified in machine coordinates.

Reset

Resets CNC with "CTRL+X" command

Unlock

Unlocks CNC with "$X" command.

4.3 Software using steps

(1). Install the driver

For the first time use, please connect the device to the computer via USB cable, and click the CH341SER.exe file in the driver folder to install the driver. Under normal circumstances, the Win10 system will automatically identify and install the driver. For Win7 and Win8 systems, please install it manually.

(2) Set the port and connection

After installing the driver, open the device manager of the computer and click on the port option to see the content inside the red box on the screen shown in the figure below (the port information is in brackets).

Remember the port information queried above, switch to the Candle software interface and click the "Settings" option in the upper left corner. Selecting the setting will pop up the setting window. Under "Connection", select the port name you queried, select the baud rate 115200, and then click the "ok" to finish the setting.

(3). Complete connection

After setting the port and baud rate, click Finish. The status bar at the top right of the Candle interface will show Idle, and at the same time, the console at the bottom right will display the information shown below, indicating that the connection has been successfully established.

(4). Processing documents

Click "File" option at the top of the interface, then click "New" to create G-Code. On the command bar at the bottom of the interface, click "Open" to select a G-code file that has been made to import the file. After importing, the middle of the interface will display a visual graph composed of tool paths (the position of the pen-shaped graph in the graph is the current tool position). In the visualization window, hold down the left mouse button to move to rotate the graph, and hold down the right button to move the graph. Scrolling the middle wheel can zoom in and out of the graphics. At the same time, the content of the G-Code will be displayed in the lower command bar. During processing, the machine will run one by one according to the G-Code commands.

(5). Fixture, tool installation and setting the working coordinate origin

The fixture in the product kit is not assembled. There are four sets in total. The appearance and usage of the assembled fixture are shown in the right figures.

Before running the G-code program, you need to find the position of the engraving figure relative to the overall engraving plate. There is a three-axis coordinate system in the visual graphics. The origin of the three-axis coordinate system is the tool setting point of the actual processing graphic.

You can move the tool to determine the position of the engraving graphic relative to the overall engraving plate based on the position of this origin. The engraving figure in the figure below is taken as an example.

After the selected tool position is started, the X/Y and Z axes are reset to zero (the 10 10 are zeroing X/Y and Z axes buttons). Before returning to zero, make sure that the tool approaches the distance of one sheet of paper for engraving, and then return the X/Y and Z axes to zero (please use a flat-bottom sharp knife when engraving, and use a cylindrical milling cutter when machining planes, slots, and holes). The effect is that the sculpted figure will be carved with the blade tip as the origin.

The ER11 collet on the spindle motor should be clamped into the fixed head first, and it must be clamped in place. When installing the cutter, please do not extend the collet too much, as shown in the first figure below.

(6) Start carving

After finding the engraving position, click the send button below and the device will automatically start engraving. The status bar at the top right shows running. The visualization window shows that the tool is moving along the tool path. You can choose the pause and stop buttons below when engraving. (After pausing, click again to continue the previous carving. After termination, click Send to start processing from the beginning).

(7). Finished processing

After the processing is completed, the visualization window prompts that the engraving is completed and the time required for carving.

5. Offline controller (Optional)

Note: The offline controller and the computer cannot be connected to the engraving machine at the same time. When using the offline controller, please make sure that the USB cable of the machine and the computer is disconnected.

The offline controller has an external 12V standby power supply interface. When users use other mainboards with no power supply and weak power supply capacity, they can connect an external power supply to supply power to the controller.

5.1 Main page:

Y-: right, Y+: left, Z+: Send \$X to the GRBL motherboard to unlock it.

OK/SPN: Confirm button.

5.2 Control page:

Manually move each axis to the desired position. X+: X axis move right direction, X- opposite. Y+: Y axis move forward direction, Y- opposite. Z+: Z axis move up direction, Z- opposite.

Manually move each axis to the desired position. X+: X axis moves in the right direction, X- moves in the opposite direction. Y+: Y axis moves in the forward direction, Y- moves in the opposite direction. Z+: Z axis moves in the upward direction, Z- moves in the opposite direction.

OK/SPN: Spindle test switch. Press to open the spindle (the corresponding SPN on the screen turns gray), press again to close the spindle (the corresponding SPN on the screen returns to normal). Long press to enter the spindle speed change page. On this page, Y+/Y- adjusts the spindle speed high/low. Long press OK/SPN to exit the spindle speed change page.

Exit/STP: Function 1: Tap each axis button (X, Y, Z) to change the movement distance by 0.1, 1, 5, or 10 increments each time. Function 2: Press and hold for about 2 seconds to exit.

File list Select the file to be engraved. Support documents include: NC, NCC, TAP, TXT, Gcode, GCO, NL, CUT, CNC.

File list: Select the file to be engraved. Supported file formats include: NC, NCC, TAP, TXT, Gcode, GCO, NL, CUT, CNC.

OK/SPN: Confirm the selection and enter the confirmation engraving page.

5.4 Confirm the engraving page:

5.4 Confirm the engraving page:

Confirm that the engraving file is started without errors.

OK/SPN: Confirmation starts, ready to print becomes the progress display percentage, the file selection page is returned after the engraving is completed.

5.5 Settings page:

X+/ X-: Change Baud rate; Y+/Y-: Change Feed rate by ±100/Click; Z+/Z-: Change Feed rate by ±10/Click; OK/SPN: Change Laser Mode ON/OFF

5.6 Wi-Fi Network and Web

The offline controller has WiFi wireless network function. By default, the WiFi hotspot of VIGO-STK**** is automatically established. You can connect to the hotspot through the WiFi of your computer or mobile phone with password 12345678, and then open

192.168.0.1 or vigostick.local in browser to manage (upload or delete) the files on the SD card of the offline controller, and you can also enter the SSID (Only support 2.4G signal) account and password to help the offline controller access your local WiFi network. After the controller is connected to the local 2.4G WiFi, the current IP address of the controller or the domain name vigostick.local can still be opened to enter the web management interface. You can open About page of the controller to check the IP address.

Network status: There is a dot in the upper left corner of the main page. The RED dot indicates that VIGO-STK**** hotspot is active, and the GREEN dot indicates that the controller has connected to Local WiFi.

The web management interface is as previous page. The web pages functions as follows:

Click the menu "Control", the MOVE Control interface appears, you can click the corresponding button to control the CNC machine movement.

Click the menu "File", shows the carving files currently stored in the SD card of the current offline controller. You can upload new files to the controller. After selecting the corresponding carving file to start the carving, the interface displays the file being carved and the carving progress. You can click the button to pause or stop the carving process.

Click the menu "Settings", enter the carving machine setting interface, where you can set some control parameters, or perform reset, unlock, restore settings, tools setting, turn on/off laser mode and other commands.

6. Restore factory settings

If the mechanical movement of the machine is smooth, but the engraving movement appears stuck, or the stepper motor does not move, please try to restore the factory settings of the main-board.

Method : Run Candle software and send command \$RST=* to the machine, then reboot the machine.

CNC Repair Guide

Problem Solution
Computer and offline controller cannot control the machine's normal movement or engrave abnormally	Check if the offline controller and the computer USB are both connected to the engraving machine. If so, unplug either the offline controller or the computer USB cable. Both cannot be connected to the engraving machine at the same time.
The machine is connected to the computer and powered on, but the engraving software shows a connection failure	Please make sure the computer has the correct driver installed; please check if the USB interface is properly connected; please make sure the COM port is selected correctly (do not select COM1); please make sure the baud rate is selected correctly (choose 115200).
The software displays an alarm error, the controller is locked, and clicking reset and unlock does not eliminate it	Check if the limit switches in the XYZ three-axis direction are pressed down or obstructed by foreign objects. Clean them if necessary. Alternatively, unplug the connection wires of the limit switches. If it returns to normal, the corresponding switch has short-circuited and failed. It can be replaced or temporarily abandoned.
The engraved content appears as a mirrored reflection of the original image, and the manual control movement direction is incorrect	Just set the Grbl parameters in the software to reverse the direction of the X or Y axis.
The engraved content appears rotated by 90 degrees	Check if the connection joints of the controller's XY axis have been swapped. Simply swap the connections back.
Problem	Solution
The engraved image is distorted and misaligned	Please check if there is any slippage between the lead screw motor axis and the coupling. Tighten the set screws on both ends of the coupling.
After modifying the engraving machine firmware parameters, various abnormal machine movements or abnormal engraving sizes occur	Please restore the firmware to factory settings. Run the Candle software, connect to the machine, and in the bottom right command box, enter and send the command $RST=*, then restart the machine.

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5. Offline Controller (optional)

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CNC ENGRAVING MACHINE

USER MANUAL

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(3). Complete connection

5. Controller offline (optional)

5.3 File page:

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(6) Start carving

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2. Machine assembly

5. Offline controller (optional)

5.3 File page:

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London Road, Staines-upon-Thames, Surrey, TW18 4AX

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ÿ Spindle mounting and motor installation

ÿ Installation of the control box

5. Offline controller (optional)

5.3 Inventory page:

C/O YH Consulting Limited office 147. Centurion House.

London Road, Staines-upon-Thames, Surrey, TW18 4AX

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(3). Complete connection

(6) Start carving

5. Offline control (optional)

5.3 File: Fillista

Select the file to be engraved. Supported file formats include: NC, NCC, TAP, TXT, Gcode, GCO, NL, CUT, CNC.

C/O YH Consulting Limited office 147. Centurion House.

London Road, Staines-upon-Thames, Surrey, TW18 4AX

VEVOR®

TOUGH TOOLS, HALF PRICE

www.vevor.com/support