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Heller

MK7

Thermal / DiffusionHeller MK7 family
Research Quality: 40% complete
MK7 — web.archive.org
Fig. 01MK7web.archive.org[1]
  • Plate 01HELLER MK7 Reflow Soldering Oven

    Heller Industries IncWatch on YouTube
  • Plate 02HELLER MK7 Reflow Oven

    Heller Industries IncWatch on YouTube

What is it?

The Heller MK7 is described as a pioneering, ISO-certified reflow system in a low-height package with customizable nitrogen chamber air and vacuum options. The sources state that it includes a green flux management system, integrated CPK software, and variant-specific specifications for oven length, heated zones, heated length, cooling zones, and maximum working temperature.

What can it run?

Process applications and technology nodes documented for this tool.

  • Reflow soldering
  • Surface Mount Technology
  • Semiconductor
  • Advanced Packaging
  • Power Electronics
  • Consumer Electronics Assembly

What do the numbers mean?

Gas & chemistry1

Process gas options
Air, Nitrogen[3]
Accurate?

Dimensions & facilities1

Maximum PCB width
55.9 cm (22"); 61 cm optional[3]
Accurate?

Configuration & options13

Heated zones
10[1]
Accurate?
Heated length (convection/total)
3600 mm[1]
Accurate?
Cool zones
3[3]
Accurate?
Max working temperature
Standard: 350°C; option: 400°C[3]
Accurate?
Cleanroom option
Down to Class 1000[3]
Accurate?
Oven length
5900 mm[3]
Accurate?
Heated zones
7[2]
Accurate?
Heated length (convection/total)
1920 mm[2]
Accurate?
Cool zones
1[2]
Accurate?
Max working temperature
Standard: 350°C; option: 450°C[2]
Accurate?
Oven length
3615 mm[2]
Accurate?
Heated zones
13[3]
Accurate?
Heated length (convection/total)
3560 mm[3]
Accurate?

Vintage & configurations

Documented models & variants

DesignationGenerationVintageChangesSource
1936 MK7Variant with 5900 mm oven length, 10 heated zones, 3600 mm heated length, 3 cool zones, and standard maximum working temperature of 350°C.web.archive.org[1]
1707 MK7Variant with 3615 mm oven length, 7 heated zones, 1920 mm heated length, 1 cool zone, and standard maximum working temperature of 350°C.web.archive.org[2]
1913 MK7Variant with 5900 mm oven length, 13 heated zones, 3560 mm heated length, 3 cool zones, and standard maximum working temperature of 350°C.web.archive.org[3]
1826 MK7Eight heated zones mentioned in the description; belt speeds up to 1.88 m/min; oven length 465 cm; heated length 360 cm; two cool zones; standard maximum working temperature 350°C with 400°C option.hellerindustries.com[4]
2043 MK7 (3 Cooling Zone)Thirteen heating zones; belt speed up to 1.88 m/min; cooling zones: 3; length 6.774 m; width 1520 mm; height 1.440 m; weight 4180 kg; conveyor speed 250 - 1,880 mm/min.sinerji-grup.com[5]
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What does it need to run?

Site utility requirements, footprint, and infrastructure needed to install and operate this tool. Sourced from public records.

  • Process gas optionsAir, Nitrogen[3]

Where are the manuals?

Generated from public-source data on file. Enter your email to access — nothing is published; details are routed privately.

Not publicly documented

Field notes

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Not publicly documented

The following facts about the MK7 are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.

  • No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the MK7 are on record.

    Answerable by: OEM historical records or a trade-press announcement

  • The control-system platform and OS era of the MK7 are not on record.

    Answerable by: an engineer who operated it or OEM installation records

  • No publicly documented failure modes or field errata for the MK7 are on record.

    Answerable by: a field service engineer, process engineer, or maintenance technician

  • The process node or technology generation of the MK7 is not on record.

    Answerable by: an OEM datasheet or a fab qualification report

  • No publicly documented compatible parts, consumables, or accessories for the MK7 are on record.

    Answerable by: an OEM parts catalog or a service engineer

No research found yet — worked with this tool? Share what you know.

Sources & citations

Sources (6)Every fact above is drawn from these public sources
  1. [1]web.archive.orgweb.archive.orgweb.archive.org
  2. [2]web.archive.orgweb.archive.orgweb.archive.org
  3. [3]web.archive.orgweb.archive.orgweb.archive.org
  4. [4]hellerindustries.comhellerindustries.comhellerindustries.com
  5. [5]sinerji-grup.comsinerji-grup.comsinerji-grup.com
  6. [6]Heller 1936 MK7 SMT Reflow Ovenflason-smt.comflason-smt.com
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Last updated Jul 29, 2026.

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