Thursday, 31 July 2025

How to Make a Gear based Heavy Duty Drill Press from Scrap Materials | High Torque & Energy-Saving DIY Machine


 In this post, I’ll show you how I built a powerful, gear-driven drill press using mostly scrap materials, including a low-power washing machine motor that’s why machine save lot of energy. Machine have very high torque due to gear box. This DIY machine delivers factory level precision at a fraction of the cost. If you’re a budget builder or home engineer, this is the perfect project for you!


Watch the full build on my YouTube channel here:https://youtu.be/MG8STZVjwI0



Materials Used (Mostly Scrap)


One of the best parts of this project is that it’s extremely budget-friendly. Nearly all components were recycled or salvaged, including:


Washing machine motor (32 slots, 0.5 hp)


Gearbox (old 70cc bike transmission gears, transmission gears shafts and clutch driven gears).


Steel rods & U shape metal sheet (main structure)


Scrap metal sheets (for base and table)


Nut bolts and bearings (reused from junk parts)


Measuring tape & scale (cut and fitted for depth stopper)


Two way switch (on/off and reverse)


10uf motor capacitor


Power cable.


Peace of wood( for handle knobs)


Concrete mix (used inside base for stability)


Pipe (drill pillar)


Drill chuck( 3.175 to 15.875mm)


PVC Pipe(PVC Sheets for body work)


Return spring(quill spring)


Key Features of the Drill Press


1. Gear Based Power Transmission


The drill press runs on a custom gear mechanism that significantly increases torque. This design ensures:


Smooth drilling through tough materials


Low stress on the motor


Long-lasting performance


Energy saving


2. Low-Power, High-Efficiency Motor


I used a washing machine motor that consumes only 1.1 to 1.2 amps during drilling.


That means this machine is energy-efficient and runs on very low power, ideal for regular use at workshop.


3. Custom Depth Stopper with Scale     


The machine features a depth stopper with an attached measurement scale, allowing you to:


Adjustable drilling depth with required measurement.


Repeat drilling operations with consistency


4. Adjustable Drilling Table 


The table can be adjusted both in height and angle, allowing for:


Straight, angled, and compound angle drilling(degree drilling)


Flexible work with different project types and materials


5. Custom Return Spring Assembly


A DIY return spring mechanism was added with quill spring to help the drill bit retract automatically and smoothly, just like in commercial models.


6. Reinforced Concrete-Filled Base


The base of the drill press is made with:


Thick scrap metal sheets


Reinforced with welded rods inside


Filled with concrete to eliminate vibration and improve stability


This solid base gives the machine a professional factory feel, even though it's completely homemade.


7. Forward and Reverse Drilling Feature


This drill press also includes a manual switch for forward and reverse rotation, allowing you to:


Remove stuck drill bits easily


Use left-handed drill bits


Tap threads (with tapping bit)


Back out from deep holes cleanly

Performance Test


Test Material


Result

Steel--Smooth and fast drilling 

Hard wood--Smooth and stable drilling

Mild steel--No stalling, clean cut

Aluminum--Fast and accurate

Plastic--No vibration, clean holes


Average Power Consumption: 1.1 – 1.2 Amps only no overloading while drilling 

Torque: Very high, handles heavy-duty tasks easily


This drill press proves that with some creativity and basic tools, you can build a powerful, energy-efficient, and precise machine all while keeping costs extremely low.

Whether you're a DIY hobbyist or someone who wants to avoid expensive factory tools, this build can save you money and give you control over your tools.




Monday, 22 August 2022

Homemade Heavy Duty Automatic Soldring Gun

 


Welcome to Multi Projects in this video I'm gonna make automatic soldring gun. This gun feed soldring wire automatically by pushing button. This 40 watt gun helps you sold any thing in few seconds. 

This auto feed soldring gun consists on DC gear motor to provide continously soldring wire on the soldring point.

making process is very easy and simple .

following components are needed to complete this project. 

40w soldring iron heating element .

40w soldring iron Tip.

DC gear motor.

5v DC power supply circuit(https://youtu.be/OekmLbkAQdA

or https://youtu.be/43mE8H05ikM)

3 ohm resistor .

push button. 

power cable. 

pice of PVC pipe. 

these are the following major components are used in this project. 

circuit diagram 

How to make https://youtu.be/0fNUeDzRGtM

facebook page https://www.facebook.com/multiprojectsofficial

instagram-multiprojectsofficial 

Saturday, 2 July 2022

How to make battery charger | 12 volte 10 amp battery charger

 


Welcome to Multi Projects, In this video I'm gonna make Heavy Duty Battery charger, This is automatic Battery charger(auto cut off). Output voltage is adjustable, you can adjust voltage according to requirement.

It's 10 amp charger so it charger any battery in very short time. cooling fan is also installed in this charger. It cut off charging and also off the cooling fan,when your battery will full.

in this charger we use 12 volt 10 amp transformer(Copper).

4 diodes (10 amp).

diode in4007.

capistor 4700uf 50V.

voltage regulator LM317

220ohm, 1k ohm, 15ohm  1/4W resistors. 

2 variable resistor 10k.

12 volte DC relay.

2 LED red,green 

cooling fan.

design the circuit according to circuit diagram, 

circuit diagram. 

use soldring station for best soldring. 

set you required voltage by rotating variable resistor and cut off to nearest point. I wanna charger 12v battery so i set 13.5 volte and cut off to the nearest point.

how to make https://youtu.be/zlqUslRfQdA


Facebook page 

https://www.facebook.com/multiprojectsofficial

instagram-multiprojectsofficial 

Friday, 17 June 2022

How To Make Spot Welding Machine


Welcome to Multi-Projects, in this video I'm going  to make powerful and budget-friendly spot welding machine. Spot welders are essential for welding thin metal sheets, battery tabs, and other metal components. By repurposing an old microwave transformer, we can create a high-current, low-voltage power supply perfect for spot welding.

This machine is properly designed according to the working requirements. 


Materials Required:

Old microwave oven transformer

Thick copper wire 25 mm (for secondary winding)

Insulated wire and connectors

Welding electrodes (copper rods )

push witch (door bell push button)

on/off switch. 

Indicator Led light.

piece of wood for housing.

PVC pipe  for body.

DC power supply ( how to make DC power supply  https://youtu.be/43mE8H05ikM ).

PC cooling fan.

Safety gloves and goggles. 


Steps to Build:

Disassemble the Transformer – Carefully remove the  from an old microwave. Use a hacksaw or  cut off the secondary coil (thin wire) while keeping the primary coil intact.

Rewind the Secondary Coil – Replace the removed coil with thick copper insulated 25mm wire  to allow for high current output. Wrap 2 turns around the core.

Build the Electrode Holder. Attach tin coated copper thimbles and connect copper  rods to the output terminals, (act as welding electrodes). 

Ensure they are securely fixed for good conductivity.

Assemble the Circuit – circut diagram link 


Testing and Calibration  

Test the welder with scrap metal, adjusting pressure and timing to achieve strong welds.  

cooling fan safety grill of welding plant made with this welding machine. 

machine is tested with veries materials show impressive results. 


Safety Precautions:

Always wear protective gloves and goggles.

Ensure proper insulation to avoid short circuits.

Use a grounded power connection to prevent electrical hazards. 


This DIY spot welding machine is perfect for any type thin and thick sheet metal welding, and small repair jobs. 

With minimal investment, you can create a powerful welding tool from a discarded microwave!


Own tools ools used in this project. 


handmade belt sander 

 https://youtu.be/LMD-an5gvQU


Handmade hot air gun 

https://youtu.be/6MympSyr_d4 


how to make rubber stamp 

https://youtu.be/PSgmiQvfZ14



auto feel soldring gun.

https://youtu.be/0fNUeDzRGtM



how to make turntable 360° products video graphy. https://youtu.be/uiuM4eL1PU8



circuit diagram of spot welding machine.

Wednesday, 16 March 2022

How To Make Wireless Charger

 

How to make wireless charger.

Today we are going to make wireless charger at home. This is universal wireless charger,  you can charge any mobile phone.

You can make easily at home in very cheap price,  by following few easy steps.
The following components are used in this  wireless power transfer project.
●2N2222 transistor
●22k resistor
●35 guage copper wire
●Bridge rectifier Ic
●0.1 uF capistor
●USB charging cable
●piece of PVC pipe
casing of charge made with PVC pipe.
design circuit according to circuit diagram
circuit diagram 


use soldring station for best soldring.(how to make soldring station)https://youtu.be/x3PevOW3ZzI 

instagram @multiprojectsofficial 

Tuesday, 11 January 2022

How To Make Object Following Robot Without Microcontroller Or Motor Driver IC

 

how to make object following robot. Object following robot without microcontroller or motor driver.

we are going to make a simple Object following robot. we use IR Sensor Module in this robot. How to make IR Sensor Module https://youtu.be/fsAyG6V6VAs
we make chassis of robot with plastic cards. Following components you need to make simple object follower robot.
IR sensor Module,
2 DC gear motors,
2 wheels.
Caster wheel.
2 transistor BC 337
2 resistor 470 ohm
voltage regulator 7805
9 volte battery
design circuit according to circuit diagram.
circuit diagram

for best soldring use soldring station. 
how to make ➡️ https://youtu.be/jm6qzM89j4o
instagram@multiprojectsofficial

Tuesday, 28 December 2021

How To Make Line Follower Robot Without Microcontroller

 

how to make line follower robot. line follower robot without microcontroller or motor driver.

we are going to make a simple line follower robot. we use IR Sensor Module in this robot. How to make IR Sensor Module https://youtu.be/fsAyG6V6VAs

chassis of robot made with plastic cards.


 Following components you need to make simple line follower robot. 

IR sensor Module,

2 DC gear motors,

2 wheels.

Caster wheel.

2 transistor BC 337

voltage regulator 7805

9 volte battery 

connect wires according to circuit diagram. 

circuit diagram 



for best soldring use soldring station.

How to make ➡️ https://youtu.be/wcZs-oxad4M

Facebook https://www.facebook.com/multiprojectsofficial

instagram@multiprojectsofficial