Source data
Title Concrete Block Producing Equipment
Year 1991

M. E. V. BM 646 F blockmaking machine[edit | edit source]

Description[edit | edit source]

The BM 646 F is a static blockmaking machine, similar to the BM 636 F, but was designed for higher outputs and medium scale production of concrete elements (solid and hollow blocks and bricks, pavers, kerbstones, screen blocks, etc) of a large variety of shapes and sizes, the maximum and minimum block heights being 25 and 6 cm respectively. Also the pallet size of 60 x 46 cm is larger than that of the BM 636 F, allowing for more blocks to be made per cycle.

The external dimensions of the 646 F are the same as those of the 636 F but the former has a 0.3 m³ capacity hopper fixed above the feed drawer, making the filling of the moulds more efficient. A 2.5 kW electric motor (220/380 V, 3 phase, 50 cycles) underneath the vibrating table gives up to 1000 kg of centrifugal force for the compaction of the concrete products.

Operating the BM 646 F[edit | edit source]

The BM 646 F is operated in much the same way as the BM 636 P. However, on account of the higher output rate, considerably more concrete is required per hour, hence an overhead rail skip or a wheeled dumper is needed to keep the hopper filled.

All operations are semi-automatic, controlled by the operator with the help of levers and buttons. The removal of pallets with the newly cast green blocks is done manually, but M.E.V. can also supply mechanical or other system to suit a customer's requirements.

Other M.E.V. Equipment[edit | edit source]

Apart from the BM 636, 646 and larger static blockmaking machines as well as the BSF 500 egg-laying type machine (shown overleaf) M.E.V. produces a Mobile Blockmaking Machine, SF 1033, which is also an egg-laying type machine, requiring no pallets, but a large concrete production yard of at least 400 m². The machine has two strong vibrator units, giving a max. centrifugal force of up to 2200 kg. With an average working speed of 1 cycle per min. and, for example, 6 blocks (40 x 15 x 20 cm) per cycle, it can produce 360 blocks per hour.

M.E.V. BM 646 F

Size of machine (length x width x height)

131 x 132.5 x 245 em (52 x 52 x 96 m)

Weight of machine

1130 kg

Size of crate for shipment

approx. 5 m³

Weight of packed machine

1200 kg

Pallet size

60 x46 cm (24 × 18 in)

Production area on pallet

50 x 40 cm (20 x 16 in)

Moulds for standard blocks (I x w x h)


2 blocks, each 40x 20 x 20 em (16 x 8 x 8 in)

(Any other moulds


3 blocks, each 40 x 15 x 20 cm (16x 6 x 8 in)

can be supplied on request)


4 blocks, each 40 x 10 x 20 cm (16 x 4 x 8 in)

Energy input

electric motor, diesel engine or manual operation

Production speed

  1. 5- 2 cycles per minute

Manpower required (incl. mixing, carrying away blocks, etc)

2 - 3 men

Price (ex works)

M.E.V. BM 646 F

28 680 DM (» 16 880 US0

valid June 1991

(single version)

DM = Deutsche Mark

Page data
Authors Eric Blazek
Published 2006
License CC-BY-SA-4.0
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