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Ovens for Composite Manufacturing

Composite Oven for Manufacturing

In our series looking at the composites industry, we have investigated what composites are and how they are manufactured.

Now it’s our chance to look at what machinery is needed, specifically looking into composite curing.

We have learnt that curing composites need two key inputs; pressure and heat. The pressure ensures the composites materials are bound tightly and saturated in resin within confined moulds whilst in they are in their uncured form. Then the heat is used to cure to resins, setting them hard.

Heat and pressure can be achieved with the following machinery

Hydraulic Presses with Heated Surfaces

Specialised moulding presses use tonnes of pressure to mould composites together and heated faces (platens) provide heat.

Autoclaves

Many composites are cured in Autoclaves. These high-pressure vessels provide heat and pressure often to high tolerances for industries like aerospace.

Industrial/ Composite Ovens

Given composites are cured with heat and pressure these can be achieved with a combination of high-quality industrial ovens and vacuum bagging. This is a very common and accessible way to work with composites.

What is Vacuum Bagging?

Used with both Autoclaves and Composite ovens vacuum bagging simply involves sealing composite layers, resins and moulds into a bag and pulling a vacuum. This pulls all the component parts tightly together and the sealed vacuum bag is then heated to cure the resin.

In practice, vacuum bagging composites has several manufacturing steps including an industry dedicated to solving problems like pealing the vacuum bag away from the composite once cured.

Fundamentally it is a flexible approach that is very accessible when manufacturing composite materials. Small to very large parts can be produced at relatively low pressures reducing the cost of machinery and tooling.

A Word on Prepregs

One of the challenges of working with any liquid/resin is getting a consistent application, especially across large sheets of material. This includes achieving the right ratio of liquid/solid so there is no excess.

A prepreg is a pre-impregnated sheet of composite fibre with the correct and controlled resin consistency to improve the quality of the manufacturing process.

Otherwise prepregs need to be fitted to moulds and cured with pressure and heat, like many other composites.

Industrial Ovens for Composite Manufacturing

When the vacuum bagged composite is prepared and ready for curing the requirement of a quality oven comes into play.

For an oven that is suitable for composite curing, naturally a higher specification comes with a higher cost. For the top end of manufacturing composites, autoclaves are the most frequently used for curing. Able to heat composites whilst inside a high pressured chamber, the price of an autoclave is costly. Composite Ovens are a cost effective alternative and can include features to match the specification of the composites being cured.

What factors do you need to consider with a composite oven?

Temperature

All resins have a curing temperature which the composite needs to be consistently heated to. As all ovens have a max operating temperature and an operating range they are most effective at, matching the curing temperature to the operating range will give the best results.

Accuracy

The accuracy an oven can hold a temperature is called the uniformity and is often expressed as ± 3°C or ± 5°C etc. indicating the fluctuation of target temperature in the oven chamber. The more accurate the oven the higher the price so this should be matched to the specification of the resin being cured. Factors affecting accuracy include build quality, instrumentation quality, airflow around the oven chamber and calibration schedules.

Size

Often expressed in litres with the width, depth and height, the oven chamber defines the maximum size of the parts that can be cured and the number of parts than can be cured at once. Although using an oven that is too big wastes energy.

Programming and Recording

Some composites and resins require heating in stages, at a specific rate, maintaining at the set temperature or even cooling at a defined rate. These ramp ups, set points and ramp downs are handled by the oven controller. Recording what happened during a process cycle is achieved with a temperature recorder.

Buying Composite Ovens

Riley Surface World is uniquely placed to provide composite ovens. Our warehouse contains and extensive stock of used ovens, available very quickly, and great prices. These ovens contain a wide range of features to a wide range of specifications so can be matched to your composite curing needs.

Additionally, Rileys offer a full range of Brand New Composite ovens to a wide specification range.

The range starts with laboratory sized ovens perfect for smaller parts, through to large electric ovens operating at up to 600°C. At higher temperatures of specific features Riley’s range of SNOL Ovens offer high quality, cost effective options.

If you have a requirement for a particular uniformity, programming requirement or have a specification in mind such as AMS2750 or NADCAP Rileys can find a solution for you.

Brand New
SNOL 300°C Industrial Oven (970/300 model shown)
More Images Available

SNOL 350°C Industrial Oven Range

350°C general purpose batch ovens, ideal for a vast range of low temperature thermal processes such as drying, curing and pre-heating.

Stock No
NEW070
Category
Industrial Ovens
Model
SNOL
Internal Size (WxDxH mm) [?]
Various
Max Temp
350°C
Condition
Brand New
Availability:
Available subject to build time
Price [?]
Please call on +44 (0) 1922 45 8000
Brand New
SNOL 650°C High Temperature Oven Range (970/600 shown)
More Images Available

SNOL 650°C High Temperature Oven Range

General purpose high temperature, industrial, batch ovens which set the standard for a wide range of industrial processing applications

Stock No
NEW071
Category
Industrial Ovens
Model
SNOL
Internal Size (WxDxH mm) [?]
Various
Max Temp
650°C
Condition
Brand New
Availability:
Available subject to build time
Price [?]
Please call on +44 (0) 1922 45 8000
Brand New
SNOL 650°C High Temperature Oven with Powered Door
Video Available

SNOL 650°C High Temperature Oven with Powered Door

General purpose high temperature, industrial, batch oven suitable for a wide range of industrial processing applications. Includes a vertical powered door.

Stock No
NEW072
Category
Industrial Ovens
Model
SNOL
Internal Size (WxDxH mm) [?]
600 x 750 x 900
Max Temp
650°C
Availability:
Available subject to build time
Price [?]
Please call on +44 (0) 1922 45 8000
Brand New
Custom Built Oven for Tier 1 Automotive Manufacturer
More Images Available

SNOL Custom Build Furnaces & Ovens

Custom built ovens and furnaces to meet your project requirements and standards.

Stock No
NEW079
Category
Industrial Ovens
Model
SNOL
Condition
Brand New
Availability:
Available subject to build time
Price [?]
Please call on +44 (0) 1922 45 8000
Brand New
Romer 225°C Industrial Oven (1.5 x 1.2 x 2.0 model shown)
Video Available

Romer 200°C Industrial Oven Range

200°C general purpose, electric, batch ovens from 3.4m3 upwards. Ideal for a vast range of low temperature thermal processes such as drying, curing and pre-heating.

Stock No
NEW080
Category
Industrial Ovens
Model
Romer SLS-O
Internal Size (WxDxH mm) [?]
Various
Max Temp
200°C
Other Info
Touchscreen HMI Control
Condition
Brand New
Availability:
Available subject to build time
Price [?]
Please call on +44 (0) 1922 45 8000
Brand New
Romer 225°C Convection Industrial Oven Range (1.5m x 1.5m x 1.5m model shown)
More Images Available

Romer 200°C Convection Industrial Oven Range

200°C electric, batch ovens from 3.4m3 upwards. Without a fan' these ovens are a very cost effective option or ideal for delicate processes that cannot tolerate air movement.

Stock No
NEW081
Category
Industrial Ovens
Model
Romer SLS
Internal Size (WxDxH mm) [?]
Various
Max Temp
200°C
Other Info
Radiant heating
Condition
Brand New
Availability:
Available subject to build time
Price [?]
Please call on +44 (0) 1922 45 8000
Brand New
Romer Essential Electric Oven Range (1.5 x 1.2 x 2m model shown)
More Images Available

Romer Essential Electric Oven Range

200°C general purpose, electric, industrial ovens from 3.4m3 upwards. Ideal for a vast range of low temperature thermal processes such as drying, curing and pre-heating. The Essential range is a cost effective solution where temperature recording is not required.

Stock No
NEW082
Category
Industrial Ovens
Model
Romer
Internal Size (WxDxH mm) [?]
Various
Max Temp
200°C
Condition
Brand New, Excellent Condition, Unused, Current Model
Availability:
Available subject to build time
Price [?]
Please call on +44 (0) 1922 45 8000
Brand New
Romer 300°C Industrial Oven
More Images Available

Romer 300°C Industrial Oven Range

Romer industrial ovens are 300°C general purpose batch ovens from 0.9m3 to 8.4m3 in size. Ideal for low to medium temperature heat processes.

Stock No
NEW083
Category
Industrial Ovens
Model
Romer Forced Air Circulation SM
Year of Manufacture
Brand New
Internal Size (WxDxH mm) [?]
Various (see chart below)
Max Temp
300°C
Other Info
Touchscreen Control plus i-Cure Software
Condition
Brand New, Unused, Current Model
Availability:
Available subject to build time
Price [?]
Please call on +44 (0) 1922 45 8000
Brand New
Romer 600°C Industrial Oven
More Images Available

Romer 600°C Industrial Oven Range

600°C general purpose, electric, batch ovens from 0.9m3. Ideal for a vast range of low to medium temperature thermal processes, Ideal for tempering, glass annealing, drying, preheating, and stress relieving of various materials and components at temperatures up to 600ºC.

Stock No
NEW084
Category
Industrial Ovens
Model
Romer Forced Air Circulation SH
Year of Manufacture
Brand New
Internal Size (WxDxH mm) [?]
1500 x 1600 x 1400mm
Max Temp
600°C
Other Info
Touchscreen Control plus i-Cure Software
Condition
Brand New, Unused, Current Model
Availability:
Available subject to build time
Price [?]
Please call on +44 (0) 1922 45 8000
Brand New
230°C - 1.2m x 4.2m x 1.2m - Twin Chamber
More Images Available

Romer Custom Built Industrial Ovens

Romer and RSW are working together to offer custom built ovens manufactured to your requirements and specifications. The perfect solution if you know what you need and cannot get it as a standard oven. High quality build standards and low prices define a very competitive package.

Stock No
NEW085
Category
Industrial Ovens
Model
Romer Various
Year of Manufacture
2023
Internal Size (WxDxH mm) [?]
Various
Other Info
Custom Ovens For customer requirements.
Condition
Brand New, Unused, Current Model
Availability:
Available subject to build time
Price [?]
Please call on +44 (0) 1922 45 8000
Special Offer
Efco Top Loading Roller Lid Electric Treatments Oven
More Images Available

Efco Top Loading Roller Lid Electric Drying and Treatments Oven

Efco Top Loading Well Type Roller Lid Electric Drying and Treatments Oven

Stock No
OA2172
Category
Industrial Ovens
Model
Efco Well Type Drying and Treatments Oven
Year of Manufacture
08.1999
Internal Size (WxDxH mm) [?]
1800 x 1800 x 2000
Max Temp
150°C
Other Info
High 36kw rating
Condition
Seen working by RSW, Excellent Condition
Location
Rolls Royce stores, near Derby, UK
Sold As Seen Price [?]
£ 4,750 (+ VAT)
Special Price (sold as seen) [?]
Login or Register for price.
Special offer ends
28 March 2024 15:00 GMT while stocks last
Special Offer
120°C Stainless Steel Oven
More Images Available

Contract Engineering and Trading SDN BHD Fully Stainless Steel Air Circulated Front and Rear Door Box Oven

120°C Stainless Steel constructed through oven. Originally designed for the food / pharmaceutical industry but could be used in many industries.

Stock No
OA2229
Category
Industrial Ovens
Model
Contract Engineering and Trading SDN BHD YOUD2 R6H
Year of Manufacture
2005
Internal Size (WxDxH mm) [?]
835 x 1780 x 1945
Max Temp
120°C
Other Info
Front and Rear Through Door Operation
Condition
From a working environment, Good Condition
Refurbished Price [?]
£ 6,950 (+ VAT)
Special Price (refurbished) [?]
Login or Register for price.
Special Price (sold as seen) [?]
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Special offer ends
28 March 2024 15:00 GMT while stocks last
Sold Subject to Contract
RDM Engineering 225°C Gas Fired Oven
Video Available

RDM Engineering 250°C Gas Fired Vertical Door Industrial Box Oven

RDM Forced Air Recirculation Industrial Oven. Hugely flexible, designed for a wide range of applications.

Stock No
OA2250
Category
Industrial Ovens
Model
RDM Engineering Forced Air Recirculation Industrial Oven
Year of Manufacture
2000
Internal Size (WxDxH mm) [?]
2360 x 1800 x 1950
Max Temp
250°C
Other Info
Easy Access Vertical Door No Floor
Condition
Good Condition, Current Model, Seen powered at RSW
Availability
Available for immediate collection
Special Offer
Despatch Gas Oven
Video Available

Despatch Heavy Duty Industrial Indirect Gas Fired Oven

The Despatch precision walk-in, trolley-in oven can accommodate a variety of specific product and process needs.
Typical applications include: aging, bonding, curing, drying, baking, heat treating, annealing and stress-relieving.

Stock No
OA2256J
Category
Industrial Ovens
Model
Despatch Special PWC 3-21
Internal Size (WxDxH mm) [?]
1820 x 1800 x 1760
Max Temp
260 °C
Other Info
Complete with Gas Safe Certificate @ RSW
Condition
Good Condition, Seen powered at RSW
Sold As Seen Price [?]
£ 6,950 (+ VAT)
Special Price (sold as seen) [?]
Login or Register for price.
Special offer ends
28 March 2024 15:00 GMT while stocks last
Special Offer
Stork Cooperheat 550°c Electric Barrel Oven
Video Available

Stork Cooperheat 550°C Electric Vertical Bogie Hearth Furnace

Unique Stork Cooperheat electric vertical bogie hearth furnace with 3500mm vertical charge space. Eurotherm 3508 programmable controller, Eurotherm 6100A chart recorder and easy maneuverable bogie for loading and unloading.

Stock No
OA2268
Category
Industrial Ovens
Model
Stork Cooperheat Bogie Hearth
Year of Manufacture
2015
Internal Size (WxDxH mm) [?]
1300 x 1300 x 3500
Max Temp
550°C
Other Info
Stainless Steel Lined
Condition
From a working environment, Excellent Condition, Seen powered at RSW
Refurbished Price [?]
£ 35,000 (+ VAT)
Special Price (refurbished) [?]
Login or Register for price.
Special Price (sold as seen) [?]
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Special offer ends
28 March 2024 15:00 GMT while stocks last