Inside the Innoson Vehicle Manufacturing plant as you have never seen it before

by | Feb 26, 2018

Second-hand cars — aka tokunbo — are popular in Nigeria for different reasons, but price and affordability are their best value proposition. Innoson Vehicle Manufacturing (IVM) is Nigeria’s premier vehicle manufacturing company that wants to eradicate tokunbo cars from Africa’s most populous country and the continent as a whole.

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IVM 6800 buses

You have probably heard about Innoson in different mediums and instances, but what do you really know about IVM? What do you know about the manufacturing of motor vehicles?

Entrance to the Innoson Vehicle Manufacturing car plant

Entrance to the Innoson Vehicle Manufacturing car plant

During the Techpoint Innovation Tour 2017, Mr. Nnamdi Onusogu, the General Manager of Innoson Nigeria Limited, led us on a guided tour of the Innoson vehicle manufacturing facility.

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Mr. Nnamdi Onusogu, GM, Innoson Group welcomes the Techpoint Team

Located in Uru Umudim in Nnewi, Anambra State, the plant is a wonder in itself. We took a pictorial tour of the facility and documented an abbreviated version of the vehicle manufacturing process.

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Tour

The facility tour proper kicked off at the car plant with technical details and assistance from Ekene Orazulike, Quality Control/Production Manager.

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Ekene Orazulike, Quality Control/Production Manager.

We started at the Welding Section which is regarded as the first official stage in the vehicle production process.

This particular welding section is for smaller buses and pickup trucks

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Machine for cutting sheet metal

Here, sheet metals are bent and folded, filed, then cut up to size with appropriate dimensions.

Pre-fabricated cutting and bending machines are used for this purpose

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A machine for bending sheet metal

After the sheet metals are processed, they are placed on a jig and held down with clamps firmly. There is the parent jig that can accommodate the car’s whole frame, then there’s a side jig for the different sides of the bus.

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A jig at the welding section

When placed on the jig, a spot welding machine pieces the sheet metals together with sparks to mould the car frame.

A spot welder is preferred over the basic welding machine for this because it does cleaner work

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Spot Welder

During the welding process, a MIG welder is used to reach nooks and crannies the spot welder can’t reach

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The MIG Welding process

When the welder is done, the car’s frame is dropped from the parent jig for filing and smoothing all the rough edges. Mite steel is used for this finishing process because of its low carbon qualities.

Filing to smoothness is very important because if not done properly, too much filler will be applied and when the car is subject to extreme conditions like temperature or impact, it cracks and shows fault lines. So it has to be done well so little or no fillers will be needed.

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Smoothing in process

Having people smoothen the car frame can be a tedious and time consuming effort so machines are mostly employed for this task instead. But Ekene says sometimes depending on urgency and complexity, 2 or 3 people are assigned to file.

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Manual smoothing process

After filing, an overhead crane picks the now smoothed car frame and dips it into an extra large vat of Astro Coat

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Dipping Vat of Astro Coat

Astro Coat is a water-based, acrylic, ablative coating with excellent fire, water, air permeability properties — to avoid rusting.

Then the carcass is placed in a preheated oven for drying at 160 degrees Celsius.

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Oven

From the oven, it moves to the painting section where a maxer and sealant is applied.

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Oven heated carcass of the IVM 6800

After this, a primer is applied so paint can go on smoother and last longer on the car frame. This primer is also a second anti-rust treatment, then the frame is put back in the oven and baked a second time.

After the priming, deflections, holes and dents are spotted and fillers are used to cover them.

When this body work is completed, it is on to painting proper. The body is first smoothed out to improve paint adhesion to the car before it is coated twice. The second coat is put on few seconds after the first to avoid ugly paint runs.

Painting is done in a booth to avoid dust particles being trapped under paint surfaces

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Painting booth

After the painting, it goes through the oven again and then a quality control officer comes for an initial paint related inspection. If the officer  notices anything like a sac or paint run, the vehicle is taken back to the painting section for correction.

If it’s certified ‘OK’, it moves on to the production line for coupling of component parts.

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Coupling

Then there’s an engine assembly department where engines are coupled

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Engine assembly department

Here, all parts and accessories are intact and in perfect working condition before they’re mounted on the vehicles. This department is basically the quality control of engines.

From the engine department, the car is outfitted with air conditioning systems and then moved to quality control(QC).

I asked Ekene how long all these processes take on an average:

It is usually not possible to calculate the time expended on a particular car as efforts are spread and dependent on a lot of factors. We produce on average 10 small buses everyday so there’s no way to say exactly what time it will take to move through this process.

How are bigger vehicles — like the IVM 6601, IVM 6857 and IVM 6800 — made?

Ekene said except for a few variations in the process, all the other steps are the same. For bigger cars, materials are already pre-treated with Astro Coat as they cannot fit whole into the dipping vat.

Painting booths are also bigger for big buses. For bigger vehicles, carcass and chassis are dropped with an overhead crane and assembled atop a mechanics pit to access engine area.

Vehicles, like the IVM SUVs, that their chassis are together with the body are moved through a conveyor on top of the production line so workers can access underneath to fix parts and necessary fittings onto the chassis.

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Conveyor belt

After this process that distinguishes smaller and bigger vehicles, all cars are moved to individual production lines where final components — like windshields, electrical wirings, lights, upholstery and plastic components — are fixed. The air conditioning systems are installed next.

Once the vehicle leaves its final conveyor journey, it comes to the alignment section for proper balancing of wheels

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Alignment section

From alignment, quality control which is regarded as the last and most crucial stage of the production process is next.

The officer in charge at Quality Control (QC) checks for conformity with general and company [Innoson] standards.

In QC, it is first taken for a rain test

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Rain test chamber

The rain test simulates extreme amounts of rainfall. If the vehicle does not leak in the rain test chamber, no amount of rainfall will ever penetrate it.

After rain test, quality control still checks that the vehicle conforms to general standards like airbags, seat belts, rear view mirrors and also conforms to Innoson standards like making sure sensors and minor modifications work perfectly.

If certified OK, the car goes for a road test outside the factory. If not, it is returned to the department concerned with the particular flaw for correction.

Not completely made in Nigeria

Regardless of the fact that a bulk of the production is done in-house, there are still a lot of imported components lying around.

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Imported car seats

Car seats, steering wheels and engine blocks still had their fresh wrappings from shipping containers.

Nnamdi said Innoson intends to produce these materials in Nigeria in the nearest future.

We have had major suppliers for these car seats but they’ve not been able to meet up demands so we have had to import to subsidize what they supply.  As you probably already know, nobody currently produces engine block in Nigeria. When this place was commissioned, our chairman [Dr. Innocent Chukwuma] promised the government that with the help of the govt that in five years we’ll produce an engine here. Even the people we currently buy engines from have agreed to come and establish a manufacturing plant here if and when they see an appreciable sales volume.

So at the end of the day, according to Nnamdi, it all depends on Nigerians.

“If Nigerians buy the IVM, an engine manufacturing plant can come to Nigeria.”

Victor Ekwealor
Victor Ekwealor

tech. media. startups. africa. vc | Twitter: @victor_ekwealor


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Isika William
Isika William
8 months ago

Really great.
I’m working hard to get to contribute to the dream of IVM.

Proudly made in Nigeria

NWANESI Emmanuel ONUMSINACHUKWU
NWANESI Emmanuel ONUMSINACHUKWU
Reply to  Isika William
2 months ago

Amen

Ochigbo Precious
Ochigbo Precious
4 months ago

I will also patronize the IVM too. Long live IVM. God keep blessing you

NWANESI Emmanuel ONUMSINACHUKWU
NWANESI Emmanuel ONUMSINACHUKWU
Reply to  Ochigbo Precious
2 months ago

Including me I love his hard work towards Nigeria

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